./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/string-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/string-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c71ebd98a3b6e7de0397eeeb86fda8d96b2d4c8ea0b8e1766ce392ff80613de --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:02:43,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:02:43,205 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:02:43,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:02:43,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:02:43,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:02:43,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:02:43,239 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:02:43,239 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:02:43,241 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:02:43,242 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:02:43,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:02:43,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:02:43,245 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:02:43,245 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:02:43,246 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:02:43,246 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:02:43,246 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:02:43,247 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:02:43,247 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:02:43,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:02:43,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:02:43,248 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:02:43,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:02:43,249 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:02:43,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:02:43,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:02:43,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:02:43,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:02:43,250 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:02:43,250 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:02:43,251 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:02:43,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:02:43,252 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:02:43,252 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:02:43,252 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:02:43,252 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:02:43,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:02:43,253 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:02:43,254 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:02:43,254 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c71ebd98a3b6e7de0397eeeb86fda8d96b2d4c8ea0b8e1766ce392ff80613de [2024-11-10 23:02:43,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:02:43,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:02:43,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:02:43,573 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:02:43,573 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:02:43,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/string-1.i [2024-11-10 23:02:44,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:02:45,184 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:02:45,184 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/string-1.i [2024-11-10 23:02:45,196 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45d02c40f/fd44cf0a5f8d49168aa9803118efdad2/FLAGd2b5a04b7 [2024-11-10 23:02:45,217 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45d02c40f/fd44cf0a5f8d49168aa9803118efdad2 [2024-11-10 23:02:45,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:02:45,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:02:45,223 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:02:45,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:02:45,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:02:45,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:02:45" (1/1) ... [2024-11-10 23:02:45,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf75f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:45, skipping insertion in model container [2024-11-10 23:02:45,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:02:45" (1/1) ... [2024-11-10 23:02:45,258 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:02:45,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:02:45,468 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:02:45,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:02:45,508 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:02:45,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:45 WrapperNode [2024-11-10 23:02:45,509 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:02:45,510 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:02:45,510 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:02:45,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:02:45,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:45" (1/1) ... [2024-11-10 23:02:45,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:45" (1/1) ... [2024-11-10 23:02:45,560 INFO L138 Inliner]: procedures = 17, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 118 [2024-11-10 23:02:45,560 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:02:45,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:02:45,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:02:45,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:02:45,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:45" (1/1) ... [2024-11-10 23:02:45,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:45" (1/1) ... [2024-11-10 23:02:45,576 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:45" (1/1) ... [2024-11-10 23:02:45,588 INFO L175 MemorySlicer]: Split 10 memory accesses to 3 slices as follows [2, 4, 4]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-11-10 23:02:45,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:45" (1/1) ... [2024-11-10 23:02:45,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:45" (1/1) ... [2024-11-10 23:02:45,595 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:45" (1/1) ... [2024-11-10 23:02:45,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:45" (1/1) ... [2024-11-10 23:02:45,596 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:45" (1/1) ... [2024-11-10 23:02:45,597 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:45" (1/1) ... [2024-11-10 23:02:45,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:02:45,603 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:02:45,603 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:02:45,603 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:02:45,604 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:45" (1/1) ... [2024-11-10 23:02:45,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:45,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:45,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:45,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-10 23:02:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:02:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:02:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 23:02:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 23:02:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 23:02:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 23:02:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 23:02:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 23:02:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:02:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:02:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 23:02:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 23:02:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 23:02:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 23:02:45,763 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:02:45,765 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:02:46,014 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L30: call ULTIMATE.dealloc(main_~#string_A~0#1.base, main_~#string_A~0#1.offset);havoc main_~#string_A~0#1.base, main_~#string_A~0#1.offset;call ULTIMATE.dealloc(main_~#string_B~0#1.base, main_~#string_B~0#1.offset);havoc main_~#string_B~0#1.base, main_~#string_B~0#1.offset; [2024-11-10 23:02:46,026 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-10 23:02:46,026 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:02:46,038 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:02:46,038 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:02:46,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:02:46 BoogieIcfgContainer [2024-11-10 23:02:46,039 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:02:46,040 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:02:46,040 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:02:46,044 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:02:46,045 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:02:46,046 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:02:45" (1/3) ... [2024-11-10 23:02:46,047 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e232b00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:02:46, skipping insertion in model container [2024-11-10 23:02:46,047 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:02:46,047 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:45" (2/3) ... [2024-11-10 23:02:46,047 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e232b00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:02:46, skipping insertion in model container [2024-11-10 23:02:46,047 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:02:46,047 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:02:46" (3/3) ... [2024-11-10 23:02:46,048 INFO L332 chiAutomizerObserver]: Analyzing ICFG string-1.i [2024-11-10 23:02:46,118 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:02:46,118 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:02:46,118 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:02:46,119 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:02:46,119 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:02:46,119 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:02:46,119 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:02:46,120 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:02:46,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 28 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:46,143 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 11 [2024-11-10 23:02:46,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:02:46,144 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:02:46,149 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 23:02:46,149 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-10 23:02:46,150 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:02:46,150 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 28 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:46,154 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 11 [2024-11-10 23:02:46,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:02:46,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:02:46,155 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 23:02:46,155 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-10 23:02:46,160 INFO L745 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 24#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 17#L33true [2024-11-10 23:02:46,160 INFO L747 eck$LassoCheckResult]: Loop: 17#L33true assume true; 16#L33-1true assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 17#L33true [2024-11-10 23:02:46,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:46,170 INFO L85 PathProgramCache]: Analyzing trace with hash 2976, now seen corresponding path program 1 times [2024-11-10 23:02:46,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:46,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357938613] [2024-11-10 23:02:46,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:46,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:46,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:46,332 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:46,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:46,337 INFO L85 PathProgramCache]: Analyzing trace with hash 2880, now seen corresponding path program 1 times [2024-11-10 23:02:46,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:46,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22385557] [2024-11-10 23:02:46,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:46,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:46,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:46,368 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:46,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:46,371 INFO L85 PathProgramCache]: Analyzing trace with hash 2861855, now seen corresponding path program 1 times [2024-11-10 23:02:46,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:46,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993512001] [2024-11-10 23:02:46,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:46,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:46,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:46,428 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:46,815 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 23:02:46,816 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 23:02:46,816 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 23:02:46,816 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 23:02:46,817 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 23:02:46,817 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:46,817 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 23:02:46,817 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 23:02:46,817 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration1_Lasso [2024-11-10 23:02:46,818 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 23:02:46,818 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 23:02:46,836 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:46,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:46,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:46,851 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:46,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:46,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:46,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:46,884 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:46,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:46,890 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:46,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:46,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:46,899 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:46,901 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:46,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:46,906 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:46,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:46,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:46,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:46,916 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:47,169 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:47,426 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 23:02:47,430 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 23:02:47,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:47,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:47,434 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:47,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-10 23:02:47,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:47,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:47,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:47,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:47,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:47,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:47,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:47,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:47,457 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:47,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:47,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:47,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:47,477 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:47,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-10 23:02:47,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:47,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:47,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:47,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:47,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:47,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:47,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:47,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:47,498 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:47,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-10 23:02:47,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:47,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:47,516 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:47,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-10 23:02:47,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:47,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:47,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:47,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:47,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:47,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:47,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:47,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:47,533 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:47,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:47,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:47,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:47,555 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:47,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-10 23:02:47,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:47,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:47,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:47,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:47,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:47,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:47,572 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:47,575 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:47,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:47,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:47,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:47,593 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:47,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-10 23:02:47,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:47,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:47,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:47,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:47,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:47,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:47,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:47,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:47,609 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:47,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-10 23:02:47,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:47,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:47,627 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:47,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-10 23:02:47,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:47,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:47,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:47,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:47,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:47,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:47,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:47,652 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:47,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-10 23:02:47,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:47,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:47,684 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:47,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-10 23:02:47,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:47,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:47,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:47,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:47,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:47,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:47,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:47,705 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:47,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-10 23:02:47,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:47,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:47,723 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:47,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-10 23:02:47,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:47,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:47,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:47,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:47,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:47,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:47,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:47,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:47,745 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:47,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-10 23:02:47,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:47,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:47,763 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:47,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-10 23:02:47,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:47,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:47,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:47,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:47,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:47,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:47,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:47,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:47,782 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:47,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:47,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:47,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:47,800 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:47,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-10 23:02:47,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:47,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:47,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:47,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:47,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:47,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:47,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:47,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:47,816 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:47,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-10 23:02:47,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:47,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:47,834 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:47,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-10 23:02:47,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:47,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:47,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:47,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:47,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:47,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:47,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:47,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:47,851 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:47,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:47,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:47,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:47,868 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:47,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-10 23:02:47,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:47,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:47,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:47,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:47,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:47,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:47,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:47,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:47,887 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:47,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-10 23:02:47,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:47,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:47,904 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:47,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-10 23:02:47,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:47,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:47,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:47,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:47,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:47,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:47,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:47,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:47,922 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:47,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-10 23:02:47,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:47,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:47,938 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:47,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-10 23:02:47,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:47,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:47,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:47,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:47,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:47,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:47,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:47,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:47,952 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:47,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:47,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:47,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:47,963 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:47,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-10 23:02:47,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:47,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:47,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:47,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:47,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:47,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:47,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:47,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:47,977 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:47,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:47,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:47,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:47,991 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:47,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-10 23:02:47,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:48,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:48,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:48,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:48,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:48,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:48,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:48,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:48,007 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:48,018 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-10 23:02:48,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:48,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:48,020 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:48,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-10 23:02:48,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:48,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:48,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:48,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:48,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:48,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:48,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:48,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:48,033 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:48,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-10 23:02:48,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:48,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:48,051 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:48,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-10 23:02:48,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:48,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:48,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:48,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:48,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:48,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:48,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:48,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:48,066 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:48,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:48,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:48,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:48,078 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:48,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-10 23:02:48,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:48,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:48,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:48,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:48,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:48,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:48,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:48,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:48,092 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:48,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:48,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:48,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:48,104 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:48,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-10 23:02:48,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:48,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:48,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:48,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:48,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:48,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:48,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:48,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:48,121 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:48,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:48,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:48,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:48,133 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:48,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-10 23:02:48,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:48,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:48,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:48,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:48,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:48,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:48,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:48,151 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:48,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:48,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:48,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:48,170 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:48,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-10 23:02:48,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:48,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:48,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:48,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:48,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:48,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:48,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:48,197 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 23:02:48,244 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-10 23:02:48,244 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-10 23:02:48,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:48,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:48,248 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:48,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-10 23:02:48,251 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 23:02:48,269 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-10 23:02:48,269 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 23:02:48,270 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 9*v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_1 - 2*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-10 23:02:48,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-10 23:02:48,316 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2024-11-10 23:02:48,326 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-10 23:02:48,327 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-10 23:02:48,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:02:48,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 23:02:48,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:02:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:02:48,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 23:02:48,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:02:48,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:02:48,441 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-10 23:02:48,443 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 28 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:48,483 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 28 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 84 transitions. Complement of second has 6 states. [2024-11-10 23:02:48,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-10 23:02:48,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:48,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 42 transitions. [2024-11-10 23:02:48,492 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 42 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-10 23:02:48,493 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:02:48,493 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 42 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-10 23:02:48,493 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:02:48,493 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 42 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-10 23:02:48,493 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:02:48,494 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 84 transitions. [2024-11-10 23:02:48,497 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2024-11-10 23:02:48,501 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 21 states and 30 transitions. [2024-11-10 23:02:48,502 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-11-10 23:02:48,502 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-11-10 23:02:48,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 30 transitions. [2024-11-10 23:02:48,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:02:48,503 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 30 transitions. [2024-11-10 23:02:48,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 30 transitions. [2024-11-10 23:02:48,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-10 23:02:48,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:48,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 30 transitions. [2024-11-10 23:02:48,525 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 30 transitions. [2024-11-10 23:02:48,525 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2024-11-10 23:02:48,526 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:02:48,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 30 transitions. [2024-11-10 23:02:48,527 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2024-11-10 23:02:48,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:02:48,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:02:48,527 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-10 23:02:48,527 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-10 23:02:48,528 INFO L745 eck$LassoCheckResult]: Stem: 152#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 153#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 161#L33 assume true; 157#L33-1 assume !(main_~i~0#1 < 5); 158#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 168#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 163#L37 [2024-11-10 23:02:48,528 INFO L747 eck$LassoCheckResult]: Loop: 163#L37 assume true; 164#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 163#L37 [2024-11-10 23:02:48,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:48,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1544724804, now seen corresponding path program 1 times [2024-11-10 23:02:48,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:48,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007511918] [2024-11-10 23:02:48,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:48,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:02:48,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:02:48,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:02:48,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007511918] [2024-11-10 23:02:48,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007511918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:02:48,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:02:48,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:02:48,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944882944] [2024-11-10 23:02:48,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:02:48,625 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-10 23:02:48,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:48,626 INFO L85 PathProgramCache]: Analyzing trace with hash 2496, now seen corresponding path program 1 times [2024-11-10 23:02:48,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:48,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698489972] [2024-11-10 23:02:48,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:48,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:48,634 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:48,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:48,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:02:48,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:02:48,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:02:48,693 INFO L87 Difference]: Start difference. First operand 21 states and 30 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:48,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:02:48,718 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2024-11-10 23:02:48,719 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 34 transitions. [2024-11-10 23:02:48,720 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2024-11-10 23:02:48,721 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 27 states and 33 transitions. [2024-11-10 23:02:48,721 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2024-11-10 23:02:48,722 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2024-11-10 23:02:48,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 33 transitions. [2024-11-10 23:02:48,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:02:48,723 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 33 transitions. [2024-11-10 23:02:48,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 33 transitions. [2024-11-10 23:02:48,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 23. [2024-11-10 23:02:48,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:48,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2024-11-10 23:02:48,726 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2024-11-10 23:02:48,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:02:48,728 INFO L425 stractBuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2024-11-10 23:02:48,728 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:02:48,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 28 transitions. [2024-11-10 23:02:48,729 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2024-11-10 23:02:48,729 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:02:48,729 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:02:48,729 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:02:48,730 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-10 23:02:48,730 INFO L745 eck$LassoCheckResult]: Stem: 207#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 208#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 216#L33 assume true; 214#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 215#L33 assume true; 212#L33-1 assume !(main_~i~0#1 < 5); 213#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 223#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 218#L37 assume true; 219#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 220#L37 [2024-11-10 23:02:48,730 INFO L747 eck$LassoCheckResult]: Loop: 220#L37 assume true; 226#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 220#L37 [2024-11-10 23:02:48,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:48,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1895798278, now seen corresponding path program 1 times [2024-11-10 23:02:48,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:48,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921844311] [2024-11-10 23:02:48,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:48,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:02:48,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:02:48,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:02:48,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921844311] [2024-11-10 23:02:48,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921844311] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 23:02:48,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160465445] [2024-11-10 23:02:48,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:48,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 23:02:48,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:48,820 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 23:02:48,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-10 23:02:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:02:48,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 23:02:48,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:02:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:02:48,897 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 23:02:48,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:02:48,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160465445] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 23:02:48,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 23:02:48,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-10 23:02:48,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631696247] [2024-11-10 23:02:48,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 23:02:48,920 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-10 23:02:48,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:48,921 INFO L85 PathProgramCache]: Analyzing trace with hash 2496, now seen corresponding path program 2 times [2024-11-10 23:02:48,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:48,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439112597] [2024-11-10 23:02:48,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:48,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:48,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:48,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:48,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:02:48,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 23:02:48,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 23:02:48,988 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:49,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:02:49,056 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2024-11-10 23:02:49,056 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 60 transitions. [2024-11-10 23:02:49,057 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2024-11-10 23:02:49,058 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 48 states and 57 transitions. [2024-11-10 23:02:49,058 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2024-11-10 23:02:49,058 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2024-11-10 23:02:49,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 57 transitions. [2024-11-10 23:02:49,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:02:49,059 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 57 transitions. [2024-11-10 23:02:49,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 57 transitions. [2024-11-10 23:02:49,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 35. [2024-11-10 23:02:49,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 34 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:49,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2024-11-10 23:02:49,064 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 40 transitions. [2024-11-10 23:02:49,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 23:02:49,067 INFO L425 stractBuchiCegarLoop]: Abstraction has 35 states and 40 transitions. [2024-11-10 23:02:49,067 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-10 23:02:49,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 40 transitions. [2024-11-10 23:02:49,067 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2024-11-10 23:02:49,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:02:49,068 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:02:49,068 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-10 23:02:49,069 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-10 23:02:49,069 INFO L745 eck$LassoCheckResult]: Stem: 345#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 346#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 354#L33 assume true; 352#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 353#L33 assume true; 355#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 376#L33 assume true; 375#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 374#L33 assume true; 366#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 365#L33 assume true; 350#L33-1 assume !(main_~i~0#1 < 5); 351#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 362#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 357#L37 assume true; 358#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 359#L37 assume true; 373#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 372#L37 assume true; 371#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 370#L37 assume true; 369#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 368#L37 [2024-11-10 23:02:49,069 INFO L747 eck$LassoCheckResult]: Loop: 368#L37 assume true; 367#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 368#L37 [2024-11-10 23:02:49,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:49,069 INFO L85 PathProgramCache]: Analyzing trace with hash -2089340492, now seen corresponding path program 2 times [2024-11-10 23:02:49,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:49,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967148395] [2024-11-10 23:02:49,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:49,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:02:49,254 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 23:02:49,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:02:49,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967148395] [2024-11-10 23:02:49,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967148395] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 23:02:49,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942655543] [2024-11-10 23:02:49,255 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 23:02:49,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 23:02:49,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:49,258 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 23:02:49,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-10 23:02:49,325 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 23:02:49,326 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 23:02:49,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 23:02:49,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:02:49,351 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 23:02:49,352 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 23:02:49,401 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 23:02:49,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942655543] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 23:02:49,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 23:02:49,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2024-11-10 23:02:49,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373378602] [2024-11-10 23:02:49,401 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 23:02:49,402 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-10 23:02:49,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:49,402 INFO L85 PathProgramCache]: Analyzing trace with hash 2496, now seen corresponding path program 3 times [2024-11-10 23:02:49,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:49,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746402051] [2024-11-10 23:02:49,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:49,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:49,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:49,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:49,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:02:49,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 23:02:49,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-10 23:02:49,452 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. cyclomatic complexity: 10 Second operand has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:49,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:02:49,508 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2024-11-10 23:02:49,508 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 66 transitions. [2024-11-10 23:02:49,509 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2024-11-10 23:02:49,509 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 55 states and 65 transitions. [2024-11-10 23:02:49,509 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2024-11-10 23:02:49,510 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2024-11-10 23:02:49,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 65 transitions. [2024-11-10 23:02:49,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:02:49,510 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 65 transitions. [2024-11-10 23:02:49,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 65 transitions. [2024-11-10 23:02:49,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 39. [2024-11-10 23:02:49,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 38 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:49,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2024-11-10 23:02:49,515 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 44 transitions. [2024-11-10 23:02:49,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 23:02:49,517 INFO L425 stractBuchiCegarLoop]: Abstraction has 39 states and 44 transitions. [2024-11-10 23:02:49,517 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-10 23:02:49,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 44 transitions. [2024-11-10 23:02:49,517 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2024-11-10 23:02:49,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:02:49,517 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:02:49,518 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 5, 5, 5, 1, 1, 1, 1, 1] [2024-11-10 23:02:49,518 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-10 23:02:49,518 INFO L745 eck$LassoCheckResult]: Stem: 573#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 574#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 582#L33 assume true; 580#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 581#L33 assume true; 583#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 608#L33 assume true; 607#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 606#L33 assume true; 605#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 604#L33 assume true; 594#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 593#L33 assume true; 578#L33-1 assume !(main_~i~0#1 < 5); 579#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 590#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 585#L37 assume true; 586#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 587#L37 assume true; 603#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 602#L37 assume true; 601#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 600#L37 assume true; 599#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 598#L37 assume true; 597#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 596#L37 [2024-11-10 23:02:49,518 INFO L747 eck$LassoCheckResult]: Loop: 596#L37 assume true; 595#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 596#L37 [2024-11-10 23:02:49,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:49,519 INFO L85 PathProgramCache]: Analyzing trace with hash -584646414, now seen corresponding path program 3 times [2024-11-10 23:02:49,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:49,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798299540] [2024-11-10 23:02:49,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:49,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:49,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-10 23:02:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:49,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:49,621 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:49,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:49,621 INFO L85 PathProgramCache]: Analyzing trace with hash 2496, now seen corresponding path program 4 times [2024-11-10 23:02:49,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:49,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547238395] [2024-11-10 23:02:49,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:49,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:49,625 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:49,629 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:49,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:49,629 INFO L85 PathProgramCache]: Analyzing trace with hash 795513457, now seen corresponding path program 4 times [2024-11-10 23:02:49,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:49,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471342114] [2024-11-10 23:02:49,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:49,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:02:49,792 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-10 23:02:49,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:02:49,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471342114] [2024-11-10 23:02:49,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471342114] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 23:02:49,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413833984] [2024-11-10 23:02:49,793 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 23:02:49,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 23:02:49,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:49,795 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 23:02:49,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-10 23:02:49,869 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 23:02:49,869 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 23:02:49,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 23:02:49,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:02:49,897 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-10 23:02:49,897 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 23:02:49,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413833984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:02:49,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 23:02:49,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2024-11-10 23:02:49,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002772159] [2024-11-10 23:02:49,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:02:49,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:02:49,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 23:02:49,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-10 23:02:49,937 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. cyclomatic complexity: 10 Second operand has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:50,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:02:50,027 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2024-11-10 23:02:50,027 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 67 transitions. [2024-11-10 23:02:50,027 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2024-11-10 23:02:50,028 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 57 states and 66 transitions. [2024-11-10 23:02:50,028 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2024-11-10 23:02:50,028 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 57 [2024-11-10 23:02:50,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 66 transitions. [2024-11-10 23:02:50,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:02:50,029 INFO L218 hiAutomatonCegarLoop]: Abstraction has 57 states and 66 transitions. [2024-11-10 23:02:50,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 66 transitions. [2024-11-10 23:02:50,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 39. [2024-11-10 23:02:50,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.0769230769230769) internal successors, (42), 38 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:50,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2024-11-10 23:02:50,035 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 42 transitions. [2024-11-10 23:02:50,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 23:02:50,038 INFO L425 stractBuchiCegarLoop]: Abstraction has 39 states and 42 transitions. [2024-11-10 23:02:50,038 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-10 23:02:50,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 42 transitions. [2024-11-10 23:02:50,039 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2024-11-10 23:02:50,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:02:50,039 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:02:50,039 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:02:50,039 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-10 23:02:50,040 INFO L745 eck$LassoCheckResult]: Stem: 765#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 766#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 772#L33 assume true; 770#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 771#L33 assume true; 797#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 795#L33 assume true; 793#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 791#L33 assume true; 789#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 787#L33 assume true; 785#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 784#L33 assume true; 783#L33-1 assume !(main_~i~0#1 < 5); 782#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 779#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 774#L37 assume true; 775#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 776#L37 assume true; 800#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 799#L37 assume true; 798#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 796#L37 assume true; 794#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 792#L37 assume true; 790#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 788#L37 assume true; 786#L37-1 assume !(main_~i~0#1 < 5); 780#L39-2 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 773#L39-1 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 764#L42 [2024-11-10 23:02:50,040 INFO L747 eck$LassoCheckResult]: Loop: 764#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 762#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 764#L42 [2024-11-10 23:02:50,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:50,040 INFO L85 PathProgramCache]: Analyzing trace with hash -15747058, now seen corresponding path program 1 times [2024-11-10 23:02:50,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:50,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911542350] [2024-11-10 23:02:50,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:50,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:50,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:50,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:50,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:50,094 INFO L85 PathProgramCache]: Analyzing trace with hash 2112, now seen corresponding path program 1 times [2024-11-10 23:02:50,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:50,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275696452] [2024-11-10 23:02:50,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:50,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:50,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:50,103 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:50,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:50,103 INFO L85 PathProgramCache]: Analyzing trace with hash 2046947597, now seen corresponding path program 1 times [2024-11-10 23:02:50,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:50,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46155435] [2024-11-10 23:02:50,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:50,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:50,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:50,151 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:53,078 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 23:02:53,078 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 23:02:53,078 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 23:02:53,078 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 23:02:53,078 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 23:02:53,078 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:53,079 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 23:02:53,079 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 23:02:53,079 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration6_Lasso [2024-11-10 23:02:53,079 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 23:02:53,079 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 23:02:53,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,416 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,426 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,691 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 23:02:53,691 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 23:02:53,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:53,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:53,696 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:53,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-10 23:02:53,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:53,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:53,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:53,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:53,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:53,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:53,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:53,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:53,715 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:53,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:53,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:53,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:53,732 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:53,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-10 23:02:53,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:53,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:53,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:53,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:53,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:53,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:53,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:53,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:53,750 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:53,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:53,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:53,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:53,767 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:53,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-10 23:02:53,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:53,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:53,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:53,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:53,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:53,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:53,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:53,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:53,781 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:53,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:53,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:53,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:53,793 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:53,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-10 23:02:53,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:53,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:53,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:53,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:53,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:53,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:53,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:53,809 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:53,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-10 23:02:53,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:53,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:53,821 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:53,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-10 23:02:53,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:53,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:53,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:53,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:53,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:53,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:53,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:53,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:53,836 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:53,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:53,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:53,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:53,849 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:53,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-10 23:02:53,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:53,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:53,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:53,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:53,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:53,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:53,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:53,869 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:53,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:53,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:53,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:53,886 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:53,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-10 23:02:53,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:53,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:53,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:53,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:53,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:53,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:53,900 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:53,904 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:53,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:53,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:53,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:53,920 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:53,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-10 23:02:53,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:53,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:53,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:53,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:53,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:53,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:53,937 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:53,941 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:53,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:53,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:53,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:53,959 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:53,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-10 23:02:53,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:53,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:53,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:53,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:53,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:53,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:53,978 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:53,982 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:53,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:53,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:53,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:53,999 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:54,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-10 23:02:54,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:54,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:54,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:54,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:54,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:54,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:54,017 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:54,021 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:54,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-10 23:02:54,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:54,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:54,038 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:54,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-10 23:02:54,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:54,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:54,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:54,053 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-10 23:02:54,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:54,056 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-11-10 23:02:54,056 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-10 23:02:54,066 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:54,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-11-10 23:02:54,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:54,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:54,080 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:54,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-10 23:02:54,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:54,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:54,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:54,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:54,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:54,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:54,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:54,104 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 23:02:54,116 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-10 23:02:54,117 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-11-10 23:02:54,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:54,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:54,119 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:54,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-10 23:02:54,122 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 23:02:54,136 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-10 23:02:54,136 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 23:02:54,136 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_2, ULTIMATE.start_main_~#string_A~0#1.offset, ULTIMATE.start_main_~nc_A~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_2 - 1*ULTIMATE.start_main_~#string_A~0#1.offset - 1*ULTIMATE.start_main_~nc_A~0#1 Supporting invariants [] [2024-11-10 23:02:54,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-10 23:02:54,171 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2024-11-10 23:02:54,172 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-10 23:02:54,173 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-10 23:02:54,173 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#string_A~0!offset [2024-11-10 23:02:54,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:02:54,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 23:02:54,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:02:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:02:54,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 23:02:54,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:02:54,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:02:54,280 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 23:02:54,280 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 42 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:54,308 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 42 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 55 transitions. Complement of second has 4 states. [2024-11-10 23:02:54,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-10 23:02:54,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:54,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2024-11-10 23:02:54,311 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 30 letters. Loop has 2 letters. [2024-11-10 23:02:54,312 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:02:54,312 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 32 letters. Loop has 2 letters. [2024-11-10 23:02:54,312 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:02:54,312 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 30 letters. Loop has 4 letters. [2024-11-10 23:02:54,312 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:02:54,312 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 55 transitions. [2024-11-10 23:02:54,313 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-11-10 23:02:54,314 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 41 states and 45 transitions. [2024-11-10 23:02:54,314 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2024-11-10 23:02:54,314 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2024-11-10 23:02:54,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 45 transitions. [2024-11-10 23:02:54,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:02:54,314 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 45 transitions. [2024-11-10 23:02:54,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 45 transitions. [2024-11-10 23:02:54,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-11-10 23:02:54,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 40 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:54,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2024-11-10 23:02:54,317 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 45 transitions. [2024-11-10 23:02:54,317 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 45 transitions. [2024-11-10 23:02:54,318 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-10 23:02:54,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 45 transitions. [2024-11-10 23:02:54,318 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-11-10 23:02:54,318 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:02:54,318 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:02:54,319 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:02:54,319 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-10 23:02:54,321 INFO L745 eck$LassoCheckResult]: Stem: 1000#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 1001#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 1007#L33 assume true; 1005#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1006#L33 assume true; 1036#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1034#L33 assume true; 1032#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1030#L33 assume true; 1028#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1026#L33 assume true; 1024#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1020#L33 assume true; 1019#L33-1 assume !(main_~i~0#1 < 5); 1018#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 1015#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 1010#L37 assume true; 1011#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1012#L37 assume true; 1035#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1033#L37 assume true; 1031#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1029#L37 assume true; 1027#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1025#L37 assume true; 1023#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1022#L37 assume true; 1021#L37-1 assume !(main_~i~0#1 < 5); 1016#L39-2 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 1008#L39-1 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 1009#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 996#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 997#L45 main_~nc_B~0#1 := 0; 1004#L46 [2024-11-10 23:02:54,321 INFO L747 eck$LassoCheckResult]: Loop: 1004#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 1002#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 1004#L46 [2024-11-10 23:02:54,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:54,321 INFO L85 PathProgramCache]: Analyzing trace with hash -969133964, now seen corresponding path program 1 times [2024-11-10 23:02:54,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:54,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085760053] [2024-11-10 23:02:54,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:54,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:54,341 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:54,354 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:54,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:54,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1888, now seen corresponding path program 1 times [2024-11-10 23:02:54,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:54,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147205635] [2024-11-10 23:02:54,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:54,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:54,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:54,360 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:54,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:54,361 INFO L85 PathProgramCache]: Analyzing trace with hash 670164755, now seen corresponding path program 1 times [2024-11-10 23:02:54,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:54,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780487375] [2024-11-10 23:02:54,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:54,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:54,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:54,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:55,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-10 23:02:57,529 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 23:02:57,530 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 23:02:57,530 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 23:02:57,530 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 23:02:57,530 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 23:02:57,530 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:57,530 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 23:02:57,530 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 23:02:57,530 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration7_Lasso [2024-11-10 23:02:57,530 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 23:02:57,531 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 23:02:57,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:57,535 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:57,537 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:57,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:57,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:57,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:57,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:57,548 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:57,549 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:57,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:57,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:57,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:57,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:57,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:57,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:57,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:57,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:57,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:57,847 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:57,850 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:58,060 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 23:02:58,060 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 23:02:58,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,065 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-10 23:02:58,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:58,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:58,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:58,079 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:58,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,090 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-10 23:02:58,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:58,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:58,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:58,104 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:58,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,116 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-10 23:02:58,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:58,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:58,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:58,129 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:58,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,141 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-10 23:02:58,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:58,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:58,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:58,159 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-11-10 23:02:58,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,173 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-10 23:02:58,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:58,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:58,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:58,185 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-11-10 23:02:58,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,196 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-10 23:02:58,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:58,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:58,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:58,209 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:58,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,221 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-10 23:02:58,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:58,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:58,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:58,233 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-11-10 23:02:58,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,245 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-10 23:02:58,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:58,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:58,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:58,259 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-11-10 23:02:58,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,271 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-10 23:02:58,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:58,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:58,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:58,283 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-11-10 23:02:58,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,295 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-10 23:02:58,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:58,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:58,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:58,308 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-10 23:02:58,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,319 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-10 23:02:58,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:58,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:58,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:58,333 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-10 23:02:58,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,344 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-10 23:02:58,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:58,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:58,359 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-11-10 23:02:58,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,371 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-10 23:02:58,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,383 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:58,383 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:58,386 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-11-10 23:02:58,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,397 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-10 23:02:58,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:58,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:58,414 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:58,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,425 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-10 23:02:58,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:58,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:58,441 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-11-10 23:02:58,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,452 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-10 23:02:58,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:58,464 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:58,467 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-11-10 23:02:58,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,478 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-11-10 23:02:58,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:58,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:58,493 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-11-10 23:02:58,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,505 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-10 23:02:58,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:58,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:58,520 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-11-10 23:02:58,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,531 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-11-10 23:02:58,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:58,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,544 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-10 23:02:58,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,544 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-10 23:02:58,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:58,546 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:58,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,557 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-11-10 23:02:58,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:58,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:58,572 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2024-11-10 23:02:58,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,583 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-11-10 23:02:58,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:58,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:58,597 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-11-10 23:02:58,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,609 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-11-10 23:02:58,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:58,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:58,623 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2024-11-10 23:02:58,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,635 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-11-10 23:02:58,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,647 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:58,647 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:58,650 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:58,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,667 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-11-10 23:02:58,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:58,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:58,686 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:58,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,703 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-11-10 23:02:58,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:58,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:58,725 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2024-11-10 23:02:58,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,742 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-11-10 23:02:58,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,760 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:58,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:58,763 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:58,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,780 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-11-10 23:02:58,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:58,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:58,800 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-11-10 23:02:58,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,816 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-11-10 23:02:58,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:58,830 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:58,833 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,843 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-11-10 23:02:58,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,844 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-11-10 23:02:58,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:58,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:58,860 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:58,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2024-11-10 23:02:58,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,871 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-11-10 23:02:58,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:02:58,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:58,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:58,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:58,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:58,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:02:58,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:02:58,892 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 23:02:58,905 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-11-10 23:02:58,905 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-11-10 23:02:58,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:58,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:58,914 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:02:58,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-11-10 23:02:58,916 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 23:02:58,928 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-10 23:02:58,928 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 23:02:58,928 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#string_B~0#1.base)_3, ULTIMATE.start_main_~nc_B~0#1, ULTIMATE.start_main_~#string_B~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~#string_B~0#1.base)_3 - 1*ULTIMATE.start_main_~nc_B~0#1 - 1*ULTIMATE.start_main_~#string_B~0#1.offset Supporting invariants [] [2024-11-10 23:02:58,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2024-11-10 23:02:58,953 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2024-11-10 23:02:58,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-10 23:02:58,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-10 23:02:58,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#string_B~0!offset [2024-11-10 23:02:58,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:02:58,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 23:02:58,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:02:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:02:59,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 23:02:59,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:02:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:02:59,058 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 23:02:59,059 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 45 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:59,075 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 45 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 54 transitions. Complement of second has 4 states. [2024-11-10 23:02:59,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-10 23:02:59,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:59,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2024-11-10 23:02:59,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 33 letters. Loop has 2 letters. [2024-11-10 23:02:59,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:02:59,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 35 letters. Loop has 2 letters. [2024-11-10 23:02:59,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:02:59,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 33 letters. Loop has 4 letters. [2024-11-10 23:02:59,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:02:59,078 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 54 transitions. [2024-11-10 23:02:59,078 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:02:59,079 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 43 states and 48 transitions. [2024-11-10 23:02:59,080 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2024-11-10 23:02:59,080 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2024-11-10 23:02:59,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 48 transitions. [2024-11-10 23:02:59,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:02:59,080 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 48 transitions. [2024-11-10 23:02:59,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 48 transitions. [2024-11-10 23:02:59,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-10 23:02:59,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 42 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:59,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2024-11-10 23:02:59,083 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 48 transitions. [2024-11-10 23:02:59,083 INFO L425 stractBuchiCegarLoop]: Abstraction has 43 states and 48 transitions. [2024-11-10 23:02:59,083 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-10 23:02:59,083 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 48 transitions. [2024-11-10 23:02:59,084 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:02:59,084 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:02:59,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:02:59,087 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:02:59,087 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 23:02:59,087 INFO L745 eck$LassoCheckResult]: Stem: 1244#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 1245#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 1252#L33 assume true; 1250#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1251#L33 assume true; 1277#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1275#L33 assume true; 1273#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1271#L33 assume true; 1269#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1268#L33 assume true; 1267#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1266#L33 assume true; 1265#L33-1 assume !(main_~i~0#1 < 5); 1264#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 1260#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 1255#L37 assume true; 1256#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1257#L37 assume true; 1282#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1281#L37 assume true; 1280#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1279#L37 assume true; 1278#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1276#L37 assume true; 1274#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1272#L37 assume true; 1270#L37-1 assume !(main_~i~0#1 < 5); 1261#L39-2 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 1253#L39-1 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 1254#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 1240#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 1241#L45 main_~nc_B~0#1 := 0; 1263#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 1246#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 1247#L49-1 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 1259#L53 [2024-11-10 23:02:59,088 INFO L747 eck$LassoCheckResult]: Loop: 1259#L53 assume true; 1262#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 1258#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 1259#L53 [2024-11-10 23:02:59,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:59,089 INFO L85 PathProgramCache]: Analyzing trace with hash -699729113, now seen corresponding path program 1 times [2024-11-10 23:02:59,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:59,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162152844] [2024-11-10 23:02:59,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:59,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:59,111 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:59,125 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:59,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:59,126 INFO L85 PathProgramCache]: Analyzing trace with hash 47628, now seen corresponding path program 1 times [2024-11-10 23:02:59,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:59,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500182732] [2024-11-10 23:02:59,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:59,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:59,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:59,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:59,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:59,154 INFO L85 PathProgramCache]: Analyzing trace with hash 2141267238, now seen corresponding path program 1 times [2024-11-10 23:02:59,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:59,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454252536] [2024-11-10 23:02:59,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:59,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:02:59,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2024-11-10 23:02:59,237 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 23:02:59,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:02:59,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454252536] [2024-11-10 23:02:59,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454252536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:02:59,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:02:59,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 23:02:59,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678980564] [2024-11-10 23:02:59,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:02:59,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:02:59,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 23:02:59,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 23:02:59,300 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:59,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:02:59,321 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2024-11-10 23:02:59,321 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 59 transitions. [2024-11-10 23:02:59,321 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:02:59,322 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 44 states and 48 transitions. [2024-11-10 23:02:59,322 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2024-11-10 23:02:59,322 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2024-11-10 23:02:59,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 48 transitions. [2024-11-10 23:02:59,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:02:59,322 INFO L218 hiAutomatonCegarLoop]: Abstraction has 44 states and 48 transitions. [2024-11-10 23:02:59,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 48 transitions. [2024-11-10 23:02:59,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2024-11-10 23:02:59,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 42 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:59,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2024-11-10 23:02:59,325 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 47 transitions. [2024-11-10 23:02:59,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 23:02:59,327 INFO L425 stractBuchiCegarLoop]: Abstraction has 43 states and 47 transitions. [2024-11-10 23:02:59,327 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-10 23:02:59,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 47 transitions. [2024-11-10 23:02:59,327 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:02:59,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:02:59,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:02:59,328 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:02:59,328 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 23:02:59,328 INFO L745 eck$LassoCheckResult]: Stem: 1349#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 1350#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 1357#L33 assume true; 1355#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1356#L33 assume true; 1381#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1379#L33 assume true; 1377#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1376#L33 assume true; 1375#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1373#L33 assume true; 1372#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1371#L33 assume true; 1370#L33-1 assume !(main_~i~0#1 < 5); 1369#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 1365#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 1360#L37 assume true; 1361#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1362#L37 assume true; 1387#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1386#L37 assume true; 1385#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1384#L37 assume true; 1383#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1382#L37 assume true; 1380#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1378#L37 assume true; 1374#L37-1 assume !(main_~i~0#1 < 5); 1366#L39-2 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 1358#L39-1 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 1359#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 1347#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 1348#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 1345#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 1346#L45 main_~nc_B~0#1 := 0; 1368#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 1351#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 1352#L49-1 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 1364#L53 [2024-11-10 23:02:59,329 INFO L747 eck$LassoCheckResult]: Loop: 1364#L53 assume true; 1367#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 1363#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 1364#L53 [2024-11-10 23:02:59,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:59,329 INFO L85 PathProgramCache]: Analyzing trace with hash -502777626, now seen corresponding path program 1 times [2024-11-10 23:02:59,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:59,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327261842] [2024-11-10 23:02:59,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:59,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:02:59,414 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 23:02:59,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:02:59,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327261842] [2024-11-10 23:02:59,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327261842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 23:02:59,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446556727] [2024-11-10 23:02:59,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:59,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 23:02:59,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:59,417 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 23:02:59,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2024-11-10 23:02:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:02:59,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 23:02:59,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:02:59,537 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 23:02:59,538 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 23:02:59,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446556727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:02:59,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 23:02:59,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-10 23:02:59,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707124765] [2024-11-10 23:02:59,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:02:59,539 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-10 23:02:59,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:59,539 INFO L85 PathProgramCache]: Analyzing trace with hash 47628, now seen corresponding path program 2 times [2024-11-10 23:02:59,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:59,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801155558] [2024-11-10 23:02:59,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:59,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:59,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:59,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:59,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:02:59,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 23:02:59,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 23:02:59,630 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. cyclomatic complexity: 7 Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:59,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:02:59,649 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2024-11-10 23:02:59,649 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 50 transitions. [2024-11-10 23:02:59,650 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:02:59,650 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 45 states and 48 transitions. [2024-11-10 23:02:59,652 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2024-11-10 23:02:59,652 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2024-11-10 23:02:59,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 48 transitions. [2024-11-10 23:02:59,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:02:59,653 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 48 transitions. [2024-11-10 23:02:59,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 48 transitions. [2024-11-10 23:02:59,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2024-11-10 23:02:59,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.069767441860465) internal successors, (46), 42 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:02:59,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2024-11-10 23:02:59,655 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 46 transitions. [2024-11-10 23:02:59,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:02:59,656 INFO L425 stractBuchiCegarLoop]: Abstraction has 43 states and 46 transitions. [2024-11-10 23:02:59,657 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-10 23:02:59,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 46 transitions. [2024-11-10 23:02:59,657 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:02:59,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:02:59,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:02:59,658 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:02:59,658 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 23:02:59,659 INFO L745 eck$LassoCheckResult]: Stem: 1560#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 1561#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 1568#L33 assume true; 1566#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1567#L33 assume true; 1593#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1591#L33 assume true; 1589#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1587#L33 assume true; 1586#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1584#L33 assume true; 1583#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1582#L33 assume true; 1581#L33-1 assume !(main_~i~0#1 < 5); 1580#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 1576#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 1573#L37 assume true; 1571#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1572#L37 assume true; 1598#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1597#L37 assume true; 1596#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1595#L37 assume true; 1594#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1592#L37 assume true; 1590#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1588#L37 assume true; 1585#L37-1 assume !(main_~i~0#1 < 5); 1577#L39-2 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 1569#L39-1 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 1570#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 1558#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 1559#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 1556#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 1557#L45 main_~nc_B~0#1 := 0; 1579#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 1564#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 1565#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 1562#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 1563#L49-1 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 1575#L53 [2024-11-10 23:02:59,659 INFO L747 eck$LassoCheckResult]: Loop: 1575#L53 assume true; 1578#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 1574#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 1575#L53 [2024-11-10 23:02:59,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:59,659 INFO L85 PathProgramCache]: Analyzing trace with hash -2132896217, now seen corresponding path program 1 times [2024-11-10 23:02:59,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:59,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063111175] [2024-11-10 23:02:59,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:59,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:59,685 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:59,704 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:59,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:59,705 INFO L85 PathProgramCache]: Analyzing trace with hash 47628, now seen corresponding path program 3 times [2024-11-10 23:02:59,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:59,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126233908] [2024-11-10 23:02:59,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:59,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:59,709 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:59,712 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:59,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:59,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1365005786, now seen corresponding path program 1 times [2024-11-10 23:02:59,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:59,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790131415] [2024-11-10 23:02:59,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:59,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:59,738 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:59,754 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:02,371 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 23:03:02,371 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 23:03:02,371 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 23:03:02,371 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 23:03:02,371 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 23:03:02,371 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:02,371 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 23:03:02,371 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 23:03:02,371 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration10_Lasso [2024-11-10 23:03:02,371 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 23:03:02,372 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 23:03:02,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:02,381 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:02,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:02,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:02,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:02,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:02,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:02,393 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:02,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:02,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:02,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:02,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:02,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:02,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:02,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:02,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:02,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:03,047 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 23:03:03,047 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 23:03:03,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,051 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-11-10 23:03:03,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:03,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,064 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:03,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:03,065 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2024-11-10 23:03:03,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,077 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-11-10 23:03:03,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:03,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:03,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:03,091 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:03,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,103 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-11-10 23:03:03,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:03,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:03,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:03,116 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2024-11-10 23:03:03,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,131 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2024-11-10 23:03:03,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:03,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:03,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:03,143 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2024-11-10 23:03:03,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,168 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2024-11-10 23:03:03,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:03,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:03,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:03,182 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:03,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,193 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2024-11-10 23:03:03,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:03,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:03,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:03,205 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:03,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,217 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2024-11-10 23:03:03,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:03,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:03,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:03,231 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2024-11-10 23:03:03,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,243 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2024-11-10 23:03:03,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:03,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:03,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:03,255 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2024-11-10 23:03:03,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,267 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2024-11-10 23:03:03,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:03,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:03,282 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:03,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,293 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2024-11-10 23:03:03,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:03,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:03,307 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2024-11-10 23:03:03,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,319 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2024-11-10 23:03:03,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:03,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:03,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:03,331 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2024-11-10 23:03:03,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,342 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2024-11-10 23:03:03,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:03,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:03,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:03,355 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2024-11-10 23:03:03,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,367 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2024-11-10 23:03:03,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:03,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:03,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:03,379 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:03,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,391 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2024-11-10 23:03:03,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:03,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:03,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:03,403 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:03,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,415 INFO L229 MonitoredProcess]: Starting monitored process 87 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2024-11-10 23:03:03,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:03,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:03,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:03,428 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2024-11-10 23:03:03,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,439 INFO L229 MonitoredProcess]: Starting monitored process 88 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2024-11-10 23:03:03,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:03,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:03,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:03,466 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2024-11-10 23:03:03,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,477 INFO L229 MonitoredProcess]: Starting monitored process 89 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2024-11-10 23:03:03,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,488 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2024-11-10 23:03:03,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,492 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-10 23:03:03,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:03,498 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,509 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2024-11-10 23:03:03,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,510 INFO L229 MonitoredProcess]: Starting monitored process 90 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2024-11-10 23:03:03,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:03,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:03,525 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:03,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,536 INFO L229 MonitoredProcess]: Starting monitored process 91 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2024-11-10 23:03:03,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:03,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:03,550 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:03,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,562 INFO L229 MonitoredProcess]: Starting monitored process 92 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2024-11-10 23:03:03,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:03,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:03,576 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2024-11-10 23:03:03,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,587 INFO L229 MonitoredProcess]: Starting monitored process 93 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2024-11-10 23:03:03,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:03,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:03,602 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2024-11-10 23:03:03,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,613 INFO L229 MonitoredProcess]: Starting monitored process 94 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2024-11-10 23:03:03,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:03,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:03,628 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:03,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2024-11-10 23:03:03,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,640 INFO L229 MonitoredProcess]: Starting monitored process 95 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2024-11-10 23:03:03,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:03,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:03,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:03,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:03,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:03,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:03,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:03,659 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 23:03:03,674 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2024-11-10 23:03:03,674 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-11-10 23:03:03,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:03,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:03,676 INFO L229 MonitoredProcess]: Starting monitored process 96 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:03,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2024-11-10 23:03:03,677 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 23:03:03,688 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-10 23:03:03,688 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 23:03:03,688 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, v_rep(select #length ULTIMATE.start_main_~#string_B~0#1.base)_4) = -1*ULTIMATE.start_main_~j~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#string_B~0#1.base)_4 Supporting invariants [1*ULTIMATE.start_main_~#string_B~0#1.offset >= 0] [2024-11-10 23:03:03,698 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2024-11-10 23:03:03,716 INFO L156 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2024-11-10 23:03:03,718 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-10 23:03:03,718 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-10 23:03:03,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:03,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 23:03:03,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:04,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 23:03:04,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:04,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:03:04,038 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-10 23:03:04,038 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 46 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:04,067 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 46 transitions. cyclomatic complexity: 6. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 49 states and 54 transitions. Complement of second has 8 states. [2024-11-10 23:03:04,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-10 23:03:04,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:04,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2024-11-10 23:03:04,068 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 40 letters. Loop has 3 letters. [2024-11-10 23:03:04,069 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:04,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 43 letters. Loop has 3 letters. [2024-11-10 23:03:04,069 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:04,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 40 letters. Loop has 6 letters. [2024-11-10 23:03:04,069 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:04,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 54 transitions. [2024-11-10 23:03:04,070 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:03:04,071 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 49 states and 54 transitions. [2024-11-10 23:03:04,071 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2024-11-10 23:03:04,071 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2024-11-10 23:03:04,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 54 transitions. [2024-11-10 23:03:04,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:03:04,071 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 54 transitions. [2024-11-10 23:03:04,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 54 transitions. [2024-11-10 23:03:04,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-10 23:03:04,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:04,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2024-11-10 23:03:04,074 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 54 transitions. [2024-11-10 23:03:04,074 INFO L425 stractBuchiCegarLoop]: Abstraction has 49 states and 54 transitions. [2024-11-10 23:03:04,074 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-11-10 23:03:04,074 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 54 transitions. [2024-11-10 23:03:04,074 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:03:04,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:03:04,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:03:04,075 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:03:04,075 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 23:03:04,075 INFO L745 eck$LassoCheckResult]: Stem: 1847#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 1848#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 1855#L33 assume true; 1853#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1854#L33 assume true; 1885#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1883#L33 assume true; 1881#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1879#L33 assume true; 1877#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1876#L33 assume true; 1875#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1874#L33 assume true; 1873#L33-1 assume !(main_~i~0#1 < 5); 1871#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 1865#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 1858#L37 assume true; 1859#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1860#L37 assume true; 1891#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1890#L37 assume true; 1888#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1887#L37 assume true; 1886#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1884#L37 assume true; 1882#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1880#L37 assume true; 1878#L37-1 assume !(main_~i~0#1 < 5); 1867#L39-2 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 1856#L39-1 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 1857#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 1845#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 1846#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 1843#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 1844#L45 main_~nc_B~0#1 := 0; 1870#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 1851#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 1852#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 1849#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 1850#L49-1 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 1866#L53 assume true; 1868#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 1861#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 1862#L53 [2024-11-10 23:03:04,075 INFO L747 eck$LassoCheckResult]: Loop: 1862#L53 assume true; 1872#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 1889#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 1862#L53 [2024-11-10 23:03:04,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:04,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1365005785, now seen corresponding path program 1 times [2024-11-10 23:03:04,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:04,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826901024] [2024-11-10 23:03:04,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:04,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:04,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:04,118 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:04,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:04,120 INFO L85 PathProgramCache]: Analyzing trace with hash 47628, now seen corresponding path program 4 times [2024-11-10 23:03:04,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:04,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268209158] [2024-11-10 23:03:04,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:04,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:04,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:04,127 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:04,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:04,127 INFO L85 PathProgramCache]: Analyzing trace with hash -136964570, now seen corresponding path program 1 times [2024-11-10 23:03:04,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:04,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391504052] [2024-11-10 23:03:04,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:04,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:04,248 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-10 23:03:04,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:03:04,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391504052] [2024-11-10 23:03:04,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391504052] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 23:03:04,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043546256] [2024-11-10 23:03:04,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:04,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 23:03:04,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:04,251 INFO L229 MonitoredProcess]: Starting monitored process 97 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 23:03:04,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (97)] Waiting until timeout for monitored process [2024-11-10 23:03:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:04,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 23:03:04,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:04,423 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-10 23:03:04,423 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 23:03:04,461 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-10 23:03:04,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043546256] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 23:03:04,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 23:03:04,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-10 23:03:04,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268628150] [2024-11-10 23:03:04,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 23:03:04,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:03:04,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 23:03:04,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-10 23:03:04,531 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. cyclomatic complexity: 9 Second operand has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:04,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:03:04,569 INFO L93 Difference]: Finished difference Result 69 states and 75 transitions. [2024-11-10 23:03:04,569 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 75 transitions. [2024-11-10 23:03:04,569 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:03:04,570 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 52 states and 57 transitions. [2024-11-10 23:03:04,570 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2024-11-10 23:03:04,570 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2024-11-10 23:03:04,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 57 transitions. [2024-11-10 23:03:04,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:03:04,570 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 57 transitions. [2024-11-10 23:03:04,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 57 transitions. [2024-11-10 23:03:04,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2024-11-10 23:03:04,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 50 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:04,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2024-11-10 23:03:04,573 INFO L240 hiAutomatonCegarLoop]: Abstraction has 51 states and 56 transitions. [2024-11-10 23:03:04,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 23:03:04,574 INFO L425 stractBuchiCegarLoop]: Abstraction has 51 states and 56 transitions. [2024-11-10 23:03:04,574 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-11-10 23:03:04,574 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 56 transitions. [2024-11-10 23:03:04,577 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:03:04,577 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:03:04,577 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:03:04,578 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 5, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:03:04,578 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 23:03:04,578 INFO L745 eck$LassoCheckResult]: Stem: 2252#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 2253#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 2260#L33 assume true; 2258#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2259#L33 assume true; 2297#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2295#L33 assume true; 2293#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2291#L33 assume true; 2289#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2287#L33 assume true; 2285#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2283#L33 assume true; 2281#L33-1 assume !(main_~i~0#1 < 5); 2277#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 2271#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 2264#L37 assume true; 2265#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2266#L37 assume true; 2296#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2294#L37 assume true; 2292#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2290#L37 assume true; 2288#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2286#L37 assume true; 2284#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2282#L37 assume true; 2280#L37-1 assume !(main_~i~0#1 < 5); 2273#L39-2 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 2261#L39-1 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 2262#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 2250#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 2251#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 2263#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 2279#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 2248#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 2249#L45 main_~nc_B~0#1 := 0; 2276#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 2256#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 2257#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 2254#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 2255#L49-1 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 2272#L53 assume true; 2274#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 2267#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 2268#L53 [2024-11-10 23:03:04,578 INFO L747 eck$LassoCheckResult]: Loop: 2268#L53 assume true; 2278#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 2298#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 2268#L53 [2024-11-10 23:03:04,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:04,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1929885816, now seen corresponding path program 2 times [2024-11-10 23:03:04,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:04,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692973048] [2024-11-10 23:03:04,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:04,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:04,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:04,771 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 23:03:04,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:03:04,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692973048] [2024-11-10 23:03:04,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692973048] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 23:03:04,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222929284] [2024-11-10 23:03:04,772 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 23:03:04,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 23:03:04,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:04,775 INFO L229 MonitoredProcess]: Starting monitored process 98 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 23:03:04,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (98)] Waiting until timeout for monitored process [2024-11-10 23:03:04,875 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 23:03:04,875 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 23:03:04,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 23:03:04,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:04,920 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 23:03:04,920 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 23:03:04,962 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 23:03:04,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222929284] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 23:03:04,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 23:03:04,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2024-11-10 23:03:04,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039009997] [2024-11-10 23:03:04,964 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 23:03:04,965 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-10 23:03:04,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:04,965 INFO L85 PathProgramCache]: Analyzing trace with hash 47628, now seen corresponding path program 5 times [2024-11-10 23:03:04,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:04,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001730085] [2024-11-10 23:03:04,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:04,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:04,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:04,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:05,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:03:05,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 23:03:05,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-10 23:03:05,055 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. cyclomatic complexity: 9 Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:05,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:03:05,100 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2024-11-10 23:03:05,100 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 62 transitions. [2024-11-10 23:03:05,101 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:03:05,101 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 55 states and 60 transitions. [2024-11-10 23:03:05,101 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2024-11-10 23:03:05,102 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2024-11-10 23:03:05,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 60 transitions. [2024-11-10 23:03:05,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:03:05,102 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 60 transitions. [2024-11-10 23:03:05,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 60 transitions. [2024-11-10 23:03:05,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2024-11-10 23:03:05,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 52 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:05,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2024-11-10 23:03:05,104 INFO L240 hiAutomatonCegarLoop]: Abstraction has 53 states and 58 transitions. [2024-11-10 23:03:05,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 23:03:05,106 INFO L425 stractBuchiCegarLoop]: Abstraction has 53 states and 58 transitions. [2024-11-10 23:03:05,106 INFO L332 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2024-11-10 23:03:05,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 53 states and 58 transitions. [2024-11-10 23:03:05,106 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:03:05,107 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:03:05,107 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:03:05,107 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:03:05,107 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 23:03:05,108 INFO L745 eck$LassoCheckResult]: Stem: 2638#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 2639#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 2646#L33 assume true; 2644#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2645#L33 assume true; 2685#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2683#L33 assume true; 2681#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2679#L33 assume true; 2677#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2675#L33 assume true; 2674#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2673#L33 assume true; 2669#L33-1 assume !(main_~i~0#1 < 5); 2664#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 2657#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 2650#L37 assume true; 2651#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2652#L37 assume true; 2686#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2684#L37 assume true; 2682#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2680#L37 assume true; 2678#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2676#L37 assume true; 2671#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2670#L37 assume true; 2668#L37-1 assume !(main_~i~0#1 < 5); 2659#L39-2 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 2647#L39-1 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 2648#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 2636#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 2637#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 2649#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 2666#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 2634#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 2635#L45 main_~nc_B~0#1 := 0; 2662#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 2642#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 2643#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 2663#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 2667#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 2640#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 2641#L49-1 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 2658#L53 assume true; 2660#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 2653#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 2654#L53 [2024-11-10 23:03:05,108 INFO L747 eck$LassoCheckResult]: Loop: 2654#L53 assume true; 2665#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 2672#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 2654#L53 [2024-11-10 23:03:05,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:05,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1563609433, now seen corresponding path program 3 times [2024-11-10 23:03:05,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:05,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137276960] [2024-11-10 23:03:05,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:05,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:05,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:05,172 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:05,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:05,173 INFO L85 PathProgramCache]: Analyzing trace with hash 47628, now seen corresponding path program 6 times [2024-11-10 23:03:05,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:05,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920625191] [2024-11-10 23:03:05,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:05,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:05,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:05,180 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:05,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:05,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1726691750, now seen corresponding path program 2 times [2024-11-10 23:03:05,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:05,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72285965] [2024-11-10 23:03:05,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:05,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:05,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:05,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:08,042 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 23:03:08,043 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 23:03:08,043 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 23:03:08,043 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 23:03:08,043 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 23:03:08,043 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:08,043 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 23:03:08,043 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 23:03:08,043 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration13_Lasso [2024-11-10 23:03:08,043 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 23:03:08,043 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 23:03:08,044 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:08,053 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:08,055 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:08,056 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:08,058 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:08,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:08,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:08,418 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:08,419 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:08,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:08,422 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:08,424 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:08,426 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:08,428 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:08,434 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:08,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:08,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:08,929 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 23:03:08,930 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 23:03:08,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:08,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:08,933 INFO L229 MonitoredProcess]: Starting monitored process 99 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:08,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2024-11-10 23:03:08,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:08,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:08,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:08,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:08,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:08,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:08,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:08,950 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:08,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:08,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:08,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:08,966 INFO L229 MonitoredProcess]: Starting monitored process 100 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:08,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2024-11-10 23:03:08,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:08,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:08,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:08,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:08,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:08,981 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:08,981 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:08,983 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:08,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:08,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:08,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:08,995 INFO L229 MonitoredProcess]: Starting monitored process 101 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:08,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2024-11-10 23:03:08,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:09,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:09,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:09,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:09,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:09,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:09,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:09,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:09,010 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:09,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2024-11-10 23:03:09,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:09,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:09,022 INFO L229 MonitoredProcess]: Starting monitored process 102 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:09,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2024-11-10 23:03:09,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:09,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:09,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:09,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:09,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:09,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:09,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:09,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:09,035 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:09,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2024-11-10 23:03:09,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:09,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:09,046 INFO L229 MonitoredProcess]: Starting monitored process 103 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:09,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2024-11-10 23:03:09,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:09,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:09,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:09,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:09,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:09,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:09,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:09,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:09,059 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:09,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2024-11-10 23:03:09,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:09,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:09,070 INFO L229 MonitoredProcess]: Starting monitored process 104 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:09,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2024-11-10 23:03:09,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:09,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:09,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:09,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:09,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:09,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:09,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:09,098 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:09,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2024-11-10 23:03:09,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:09,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:09,109 INFO L229 MonitoredProcess]: Starting monitored process 105 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:09,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2024-11-10 23:03:09,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:09,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:09,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:09,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:09,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:09,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:09,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:09,125 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:09,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2024-11-10 23:03:09,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:09,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:09,137 INFO L229 MonitoredProcess]: Starting monitored process 106 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:09,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2024-11-10 23:03:09,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:09,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:09,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:09,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:09,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:09,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:09,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:09,152 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:09,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2024-11-10 23:03:09,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:09,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:09,164 INFO L229 MonitoredProcess]: Starting monitored process 107 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:09,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2024-11-10 23:03:09,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:09,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:09,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:09,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:09,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:09,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:09,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:09,180 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:09,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2024-11-10 23:03:09,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:09,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:09,191 INFO L229 MonitoredProcess]: Starting monitored process 108 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:09,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2024-11-10 23:03:09,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:09,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:09,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:09,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:09,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:09,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:09,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:09,206 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:09,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2024-11-10 23:03:09,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:09,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:09,218 INFO L229 MonitoredProcess]: Starting monitored process 109 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:09,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2024-11-10 23:03:09,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:09,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:09,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:09,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:09,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:09,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:09,230 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:09,233 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:09,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:09,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:09,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:09,244 INFO L229 MonitoredProcess]: Starting monitored process 110 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:09,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2024-11-10 23:03:09,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:09,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:09,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:09,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:09,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:09,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:09,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:09,260 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:09,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2024-11-10 23:03:09,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:09,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:09,272 INFO L229 MonitoredProcess]: Starting monitored process 111 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:09,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2024-11-10 23:03:09,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:09,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:09,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:09,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:09,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:09,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:09,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:09,289 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:09,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2024-11-10 23:03:09,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:09,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:09,303 INFO L229 MonitoredProcess]: Starting monitored process 112 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:09,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2024-11-10 23:03:09,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:09,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:09,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:09,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:09,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:09,317 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:09,317 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:09,324 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 23:03:09,339 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-11-10 23:03:09,339 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 13 variables to zero. [2024-11-10 23:03:09,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:09,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:09,341 INFO L229 MonitoredProcess]: Starting monitored process 113 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:09,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2024-11-10 23:03:09,342 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 23:03:09,352 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-10 23:03:09,352 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 23:03:09,352 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 3 Supporting invariants [] [2024-11-10 23:03:09,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2024-11-10 23:03:09,388 INFO L156 tatePredicateManager]: 13 out of 14 supporting invariants were superfluous and have been removed [2024-11-10 23:03:09,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:09,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 23:03:09,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:09,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 23:03:09,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:09,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:03:09,574 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2024-11-10 23:03:09,574 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 53 states and 58 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:09,643 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 53 states and 58 transitions. cyclomatic complexity: 9. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 79 states and 90 transitions. Complement of second has 11 states. [2024-11-10 23:03:09,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-10 23:03:09,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:09,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 43 transitions. [2024-11-10 23:03:09,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 43 transitions. Stem has 47 letters. Loop has 3 letters. [2024-11-10 23:03:09,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:09,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 43 transitions. Stem has 50 letters. Loop has 3 letters. [2024-11-10 23:03:09,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:09,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 43 transitions. Stem has 47 letters. Loop has 6 letters. [2024-11-10 23:03:09,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:09,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 79 states and 90 transitions. [2024-11-10 23:03:09,646 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:03:09,647 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 79 states to 79 states and 90 transitions. [2024-11-10 23:03:09,647 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 53 [2024-11-10 23:03:09,647 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 55 [2024-11-10 23:03:09,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 90 transitions. [2024-11-10 23:03:09,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:03:09,647 INFO L218 hiAutomatonCegarLoop]: Abstraction has 79 states and 90 transitions. [2024-11-10 23:03:09,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 90 transitions. [2024-11-10 23:03:09,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 70. [2024-11-10 23:03:09,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.1285714285714286) internal successors, (79), 69 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:09,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 79 transitions. [2024-11-10 23:03:09,651 INFO L240 hiAutomatonCegarLoop]: Abstraction has 70 states and 79 transitions. [2024-11-10 23:03:09,651 INFO L425 stractBuchiCegarLoop]: Abstraction has 70 states and 79 transitions. [2024-11-10 23:03:09,651 INFO L332 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2024-11-10 23:03:09,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 79 transitions. [2024-11-10 23:03:09,651 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:03:09,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:03:09,652 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:03:09,652 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 5, 5, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:03:09,652 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 23:03:09,652 INFO L745 eck$LassoCheckResult]: Stem: 3016#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 3017#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 3024#L33 assume true; 3022#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 3023#L33 assume true; 3067#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 3065#L33 assume true; 3063#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 3061#L33 assume true; 3059#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 3057#L33 assume true; 3055#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 3053#L33 assume true; 3051#L33-1 assume !(main_~i~0#1 < 5); 3045#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 3036#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 3028#L37 assume true; 3029#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3030#L37 assume true; 3066#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3064#L37 assume true; 3062#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3060#L37 assume true; 3058#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3056#L37 assume true; 3054#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3052#L37 assume true; 3050#L37-1 assume !(main_~i~0#1 < 5); 3037#L39-2 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 3025#L39-1 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 3026#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 3014#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 3015#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 3027#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 3072#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 3073#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 3075#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 3012#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 3013#L45 main_~nc_B~0#1 := 0; 3041#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 3042#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 3043#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 3044#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 3068#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 3069#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 3035#L49-1 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 3032#L53 assume true; 3038#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 3039#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 3048#L53 [2024-11-10 23:03:09,653 INFO L747 eck$LassoCheckResult]: Loop: 3048#L53 assume true; 3049#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 3076#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 3048#L53 [2024-11-10 23:03:09,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:09,653 INFO L85 PathProgramCache]: Analyzing trace with hash -522044536, now seen corresponding path program 4 times [2024-11-10 23:03:09,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:09,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554552671] [2024-11-10 23:03:09,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:09,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:09,810 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 23:03:09,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:03:09,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554552671] [2024-11-10 23:03:09,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554552671] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 23:03:09,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687728085] [2024-11-10 23:03:09,811 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 23:03:09,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 23:03:09,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:09,813 INFO L229 MonitoredProcess]: Starting monitored process 114 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 23:03:09,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (114)] Waiting until timeout for monitored process [2024-11-10 23:03:09,928 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 23:03:09,928 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 23:03:09,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 23:03:09,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:10,001 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 23:03:10,001 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 23:03:10,060 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 23:03:10,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687728085] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 23:03:10,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 23:03:10,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2024-11-10 23:03:10,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255380263] [2024-11-10 23:03:10,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 23:03:10,061 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-10 23:03:10,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:10,061 INFO L85 PathProgramCache]: Analyzing trace with hash 47628, now seen corresponding path program 7 times [2024-11-10 23:03:10,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:10,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842214840] [2024-11-10 23:03:10,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:10,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:10,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:10,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:10,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:03:10,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 23:03:10,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2024-11-10 23:03:10,133 INFO L87 Difference]: Start difference. First operand 70 states and 79 transitions. cyclomatic complexity: 15 Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:10,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:03:10,226 INFO L93 Difference]: Finished difference Result 86 states and 98 transitions. [2024-11-10 23:03:10,226 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 86 states and 98 transitions. [2024-11-10 23:03:10,227 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-10 23:03:10,227 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 86 states to 84 states and 96 transitions. [2024-11-10 23:03:10,227 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2024-11-10 23:03:10,227 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 56 [2024-11-10 23:03:10,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 84 states and 96 transitions. [2024-11-10 23:03:10,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:03:10,227 INFO L218 hiAutomatonCegarLoop]: Abstraction has 84 states and 96 transitions. [2024-11-10 23:03:10,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states and 96 transitions. [2024-11-10 23:03:10,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 72. [2024-11-10 23:03:10,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.125) internal successors, (81), 71 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:10,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2024-11-10 23:03:10,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2024-11-10 23:03:10,234 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 81 transitions. [2024-11-10 23:03:10,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 23:03:10,235 INFO L425 stractBuchiCegarLoop]: Abstraction has 72 states and 81 transitions. [2024-11-10 23:03:10,235 INFO L332 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2024-11-10 23:03:10,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 81 transitions. [2024-11-10 23:03:10,236 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:03:10,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:03:10,236 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:03:10,238 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:03:10,238 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 23:03:10,238 INFO L745 eck$LassoCheckResult]: Stem: 3481#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 3482#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 3489#L33 assume true; 3487#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 3488#L33 assume true; 3532#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 3530#L33 assume true; 3528#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 3526#L33 assume true; 3524#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 3522#L33 assume true; 3520#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 3518#L33 assume true; 3516#L33-1 assume !(main_~i~0#1 < 5); 3508#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 3500#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 3493#L37 assume true; 3494#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3495#L37 assume true; 3531#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3529#L37 assume true; 3527#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3525#L37 assume true; 3523#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3521#L37 assume true; 3519#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3517#L37 assume true; 3515#L37-1 assume !(main_~i~0#1 < 5); 3501#L39-2 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 3490#L39-1 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 3491#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 3479#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 3480#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 3492#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 3540#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 3477#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 3478#L45 main_~nc_B~0#1 := 0; 3504#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 3505#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 3506#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 3507#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 3533#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 3534#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 3548#L49-1 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 3541#L53 assume true; 3502#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 3496#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 3497#L53 assume true; 3546#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 3545#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 3511#L53 [2024-11-10 23:03:10,238 INFO L747 eck$LassoCheckResult]: Loop: 3511#L53 assume true; 3512#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 3544#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 3511#L53 [2024-11-10 23:03:10,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:10,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1726691751, now seen corresponding path program 5 times [2024-11-10 23:03:10,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:10,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275312339] [2024-11-10 23:03:10,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:10,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:10,264 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:10,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:10,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:10,283 INFO L85 PathProgramCache]: Analyzing trace with hash 47628, now seen corresponding path program 8 times [2024-11-10 23:03:10,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:10,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885100825] [2024-11-10 23:03:10,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:10,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:10,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:10,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:10,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:10,290 INFO L85 PathProgramCache]: Analyzing trace with hash -949332314, now seen corresponding path program 3 times [2024-11-10 23:03:10,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:10,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917736846] [2024-11-10 23:03:10,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:10,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:10,453 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-10 23:03:10,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:03:10,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917736846] [2024-11-10 23:03:10,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917736846] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 23:03:10,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313061888] [2024-11-10 23:03:10,454 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 23:03:10,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 23:03:10,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:10,455 INFO L229 MonitoredProcess]: Starting monitored process 115 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 23:03:10,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (115)] Waiting until timeout for monitored process [2024-11-10 23:03:10,568 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-10 23:03:10,568 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 23:03:10,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 23:03:10,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:10,657 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-10 23:03:10,657 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 23:03:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-10 23:03:10,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313061888] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 23:03:10,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 23:03:10,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2024-11-10 23:03:10,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523122625] [2024-11-10 23:03:10,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 23:03:10,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:03:10,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 23:03:10,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-10 23:03:10,784 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. cyclomatic complexity: 15 Second operand has 16 states, 16 states have (on average 3.6875) internal successors, (59), 16 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:11,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:03:11,091 INFO L93 Difference]: Finished difference Result 113 states and 123 transitions. [2024-11-10 23:03:11,091 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 113 states and 123 transitions. [2024-11-10 23:03:11,092 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:03:11,092 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 113 states to 59 states and 64 transitions. [2024-11-10 23:03:11,092 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2024-11-10 23:03:11,092 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2024-11-10 23:03:11,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 64 transitions. [2024-11-10 23:03:11,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:03:11,092 INFO L218 hiAutomatonCegarLoop]: Abstraction has 59 states and 64 transitions. [2024-11-10 23:03:11,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 64 transitions. [2024-11-10 23:03:11,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2024-11-10 23:03:11,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.087719298245614) internal successors, (62), 56 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:11,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2024-11-10 23:03:11,098 INFO L240 hiAutomatonCegarLoop]: Abstraction has 57 states and 62 transitions. [2024-11-10 23:03:11,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 23:03:11,099 INFO L425 stractBuchiCegarLoop]: Abstraction has 57 states and 62 transitions. [2024-11-10 23:03:11,099 INFO L332 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2024-11-10 23:03:11,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 62 transitions. [2024-11-10 23:03:11,099 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:03:11,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:03:11,100 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:03:11,100 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 5, 5, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:03:11,100 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 23:03:11,100 INFO L745 eck$LassoCheckResult]: Stem: 4021#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 4022#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 4029#L33 assume true; 4027#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 4028#L33 assume true; 4068#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 4066#L33 assume true; 4064#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 4062#L33 assume true; 4060#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 4058#L33 assume true; 4057#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 4056#L33 assume true; 4055#L33-1 assume !(main_~i~0#1 < 5); 4048#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 4041#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 4034#L37 assume true; 4035#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4036#L37 assume true; 4071#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4070#L37 assume true; 4069#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4067#L37 assume true; 4065#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4063#L37 assume true; 4061#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4059#L37 assume true; 4054#L37-1 assume !(main_~i~0#1 < 5); 4043#L39-2 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 4030#L39-1 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 4031#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 4032#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 4033#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 4019#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 4020#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 4051#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 4050#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 4017#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 4018#L45 main_~nc_B~0#1 := 0; 4046#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 4025#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 4026#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 4047#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 4073#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 4053#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 4052#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 4023#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 4024#L49-1 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 4042#L53 assume true; 4044#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 4037#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 4038#L53 [2024-11-10 23:03:11,101 INFO L747 eck$LassoCheckResult]: Loop: 4038#L53 assume true; 4049#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 4072#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 4038#L53 [2024-11-10 23:03:11,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:11,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1542837593, now seen corresponding path program 6 times [2024-11-10 23:03:11,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:11,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018293192] [2024-11-10 23:03:11,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:11,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:11,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:11,188 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:11,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:11,189 INFO L85 PathProgramCache]: Analyzing trace with hash 47628, now seen corresponding path program 9 times [2024-11-10 23:03:11,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:11,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181939998] [2024-11-10 23:03:11,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:11,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:11,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:11,196 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:11,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:11,196 INFO L85 PathProgramCache]: Analyzing trace with hash 2065286566, now seen corresponding path program 4 times [2024-11-10 23:03:11,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:11,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991300044] [2024-11-10 23:03:11,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:11,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:11,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:11,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:14,697 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 23:03:14,697 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 23:03:14,697 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 23:03:14,697 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 23:03:14,697 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 23:03:14,697 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:14,697 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 23:03:14,697 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 23:03:14,697 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration16_Lasso [2024-11-10 23:03:14,697 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 23:03:14,697 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 23:03:14,699 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:15,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:15,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:15,255 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:15,257 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:15,258 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:15,260 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:15,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:15,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:15,264 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:15,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:15,267 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:15,268 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:15,269 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:15,271 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:15,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:15,274 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:15,800 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 23:03:15,801 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 23:03:15,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:15,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:15,804 INFO L229 MonitoredProcess]: Starting monitored process 116 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:15,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2024-11-10 23:03:15,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:15,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:15,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:15,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:15,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:15,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:15,818 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:15,820 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:15,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:15,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:15,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:15,832 INFO L229 MonitoredProcess]: Starting monitored process 117 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:15,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2024-11-10 23:03:15,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:15,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:15,843 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-10 23:03:15,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:15,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:15,844 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-10 23:03:15,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:15,847 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:15,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2024-11-10 23:03:15,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:15,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:15,859 INFO L229 MonitoredProcess]: Starting monitored process 118 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:15,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2024-11-10 23:03:15,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:15,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:15,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:15,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:15,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:15,872 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:15,873 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:15,876 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:15,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2024-11-10 23:03:15,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:15,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:15,888 INFO L229 MonitoredProcess]: Starting monitored process 119 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:15,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2024-11-10 23:03:15,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:15,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:15,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:15,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:15,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:15,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:15,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:15,904 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:15,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:15,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:15,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:15,916 INFO L229 MonitoredProcess]: Starting monitored process 120 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:15,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2024-11-10 23:03:15,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:15,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:15,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:15,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:15,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:15,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:15,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:15,938 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 23:03:15,945 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-11-10 23:03:15,946 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-11-10 23:03:15,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:15,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:15,947 INFO L229 MonitoredProcess]: Starting monitored process 121 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:15,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2024-11-10 23:03:15,949 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 23:03:15,960 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-10 23:03:15,960 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 23:03:15,960 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#string_B~0#1.base)_6, ULTIMATE.start_main_~j~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#string_B~0#1.base)_6 - 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [1*ULTIMATE.start_main_~#string_B~0#1.offset >= 0] [2024-11-10 23:03:15,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2024-11-10 23:03:16,003 INFO L156 tatePredicateManager]: 13 out of 14 supporting invariants were superfluous and have been removed [2024-11-10 23:03:16,005 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-10 23:03:16,005 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-10 23:03:16,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:16,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 23:03:16,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:16,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 23:03:16,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:16,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:03:16,392 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-10 23:03:16,392 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 57 states and 62 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:16,429 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 57 states and 62 transitions. cyclomatic complexity: 9. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 63 states and 70 transitions. Complement of second has 8 states. [2024-11-10 23:03:16,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-10 23:03:16,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:16,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2024-11-10 23:03:16,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 51 letters. Loop has 3 letters. [2024-11-10 23:03:16,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:16,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 54 letters. Loop has 3 letters. [2024-11-10 23:03:16,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:16,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 51 letters. Loop has 6 letters. [2024-11-10 23:03:16,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:16,431 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 70 transitions. [2024-11-10 23:03:16,431 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:03:16,432 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 63 states and 70 transitions. [2024-11-10 23:03:16,432 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2024-11-10 23:03:16,432 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2024-11-10 23:03:16,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 70 transitions. [2024-11-10 23:03:16,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:03:16,432 INFO L218 hiAutomatonCegarLoop]: Abstraction has 63 states and 70 transitions. [2024-11-10 23:03:16,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 70 transitions. [2024-11-10 23:03:16,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-10 23:03:16,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.1111111111111112) internal successors, (70), 62 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:16,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 70 transitions. [2024-11-10 23:03:16,434 INFO L240 hiAutomatonCegarLoop]: Abstraction has 63 states and 70 transitions. [2024-11-10 23:03:16,434 INFO L425 stractBuchiCegarLoop]: Abstraction has 63 states and 70 transitions. [2024-11-10 23:03:16,434 INFO L332 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2024-11-10 23:03:16,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 70 transitions. [2024-11-10 23:03:16,434 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:03:16,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:03:16,434 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:03:16,435 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:03:16,435 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 23:03:16,435 INFO L745 eck$LassoCheckResult]: Stem: 4389#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 4390#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 4397#L33 assume true; 4395#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 4396#L33 assume true; 4440#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 4439#L33 assume true; 4437#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 4435#L33 assume true; 4433#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 4431#L33 assume true; 4429#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 4427#L33 assume true; 4425#L33-1 assume !(main_~i~0#1 < 5); 4416#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 4410#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 4402#L37 assume true; 4403#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4404#L37 assume true; 4438#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4436#L37 assume true; 4434#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4432#L37 assume true; 4430#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4428#L37 assume true; 4426#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4424#L37 assume true; 4423#L37-1 assume !(main_~i~0#1 < 5); 4411#L39-2 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 4398#L39-1 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 4399#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 4400#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 4401#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 4387#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 4388#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 4420#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 4419#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 4385#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 4386#L45 main_~nc_B~0#1 := 0; 4414#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 4393#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 4394#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 4415#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 4441#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 4422#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 4421#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 4391#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 4392#L49-1 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 4409#L53 assume true; 4412#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 4405#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 4406#L53 assume true; 4444#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 4443#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 4417#L53 [2024-11-10 23:03:16,436 INFO L747 eck$LassoCheckResult]: Loop: 4417#L53 assume true; 4418#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 4442#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 4417#L53 [2024-11-10 23:03:16,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:16,436 INFO L85 PathProgramCache]: Analyzing trace with hash 2065286567, now seen corresponding path program 7 times [2024-11-10 23:03:16,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:16,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927202337] [2024-11-10 23:03:16,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:16,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:16,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:16,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:16,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:16,484 INFO L85 PathProgramCache]: Analyzing trace with hash 47628, now seen corresponding path program 10 times [2024-11-10 23:03:16,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:16,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660490260] [2024-11-10 23:03:16,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:16,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:16,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:16,491 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:16,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:16,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1545620134, now seen corresponding path program 5 times [2024-11-10 23:03:16,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:16,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414956300] [2024-11-10 23:03:16,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:16,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:16,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:16,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:17,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:22,214 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 23:03:22,214 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 23:03:22,214 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 23:03:22,214 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 23:03:22,214 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 23:03:22,214 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:22,214 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 23:03:22,214 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 23:03:22,214 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration17_Lasso [2024-11-10 23:03:22,214 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 23:03:22,214 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 23:03:22,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:22,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:22,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:22,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:22,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:22,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:22,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:22,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:22,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:22,228 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:22,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:22,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:22,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:22,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:22,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:22,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:22,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:22,894 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2024-11-10 23:03:24,091 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 23:03:24,091 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 23:03:24,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:24,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:24,092 INFO L229 MonitoredProcess]: Starting monitored process 122 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:24,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2024-11-10 23:03:24,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:24,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:24,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:24,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:24,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:24,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:24,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:24,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:24,106 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:24,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2024-11-10 23:03:24,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:24,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:24,118 INFO L229 MonitoredProcess]: Starting monitored process 123 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:24,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2024-11-10 23:03:24,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:24,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:24,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:24,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:24,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:24,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:24,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:24,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:24,131 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:24,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2024-11-10 23:03:24,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:24,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:24,143 INFO L229 MonitoredProcess]: Starting monitored process 124 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:24,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2024-11-10 23:03:24,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:24,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:24,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:24,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:24,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:24,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:24,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:24,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:24,155 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:24,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2024-11-10 23:03:24,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:24,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:24,167 INFO L229 MonitoredProcess]: Starting monitored process 125 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:24,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2024-11-10 23:03:24,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:24,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:24,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:24,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:24,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:24,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:24,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:24,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:24,181 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:24,191 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2024-11-10 23:03:24,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:24,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:24,192 INFO L229 MonitoredProcess]: Starting monitored process 126 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:24,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2024-11-10 23:03:24,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:24,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:24,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:24,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:24,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:24,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:24,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:24,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:24,205 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:24,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2024-11-10 23:03:24,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:24,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:24,232 INFO L229 MonitoredProcess]: Starting monitored process 127 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:24,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2024-11-10 23:03:24,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:24,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:24,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:24,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:24,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:24,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:24,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:24,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:24,245 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:24,255 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2024-11-10 23:03:24,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:24,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:24,256 INFO L229 MonitoredProcess]: Starting monitored process 128 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:24,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2024-11-10 23:03:24,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:24,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:24,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:24,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:24,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:24,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:24,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:24,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:24,269 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:24,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2024-11-10 23:03:24,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:24,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:24,281 INFO L229 MonitoredProcess]: Starting monitored process 129 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:24,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2024-11-10 23:03:24,283 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:24,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:24,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:24,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:24,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:24,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:24,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:24,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:24,296 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:24,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2024-11-10 23:03:24,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:24,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:24,309 INFO L229 MonitoredProcess]: Starting monitored process 130 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:24,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2024-11-10 23:03:24,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:24,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:24,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:24,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:24,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:24,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:24,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:24,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:24,322 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:24,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2024-11-10 23:03:24,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:24,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:24,333 INFO L229 MonitoredProcess]: Starting monitored process 131 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:24,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2024-11-10 23:03:24,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:24,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:24,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:24,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:24,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:24,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:24,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:24,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:24,346 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:24,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2024-11-10 23:03:24,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:24,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:24,356 INFO L229 MonitoredProcess]: Starting monitored process 132 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:24,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2024-11-10 23:03:24,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:24,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:24,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:24,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:24,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:24,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:24,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:24,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:24,369 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:24,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2024-11-10 23:03:24,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:24,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:24,380 INFO L229 MonitoredProcess]: Starting monitored process 133 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:24,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2024-11-10 23:03:24,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:24,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:24,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:24,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:24,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:24,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:24,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:24,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:24,393 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:24,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2024-11-10 23:03:24,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:24,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:24,406 INFO L229 MonitoredProcess]: Starting monitored process 134 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:24,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2024-11-10 23:03:24,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:24,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:24,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:24,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:24,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:24,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:24,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:24,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:24,419 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:24,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:24,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:24,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:24,431 INFO L229 MonitoredProcess]: Starting monitored process 135 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:24,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2024-11-10 23:03:24,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:24,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:24,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:24,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:24,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:24,443 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:24,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:24,445 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:24,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2024-11-10 23:03:24,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:24,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:24,456 INFO L229 MonitoredProcess]: Starting monitored process 136 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:24,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2024-11-10 23:03:24,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:24,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:24,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:24,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:24,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:24,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:24,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:24,471 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:24,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2024-11-10 23:03:24,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:24,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:24,483 INFO L229 MonitoredProcess]: Starting monitored process 137 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:24,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2024-11-10 23:03:24,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:24,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:24,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:24,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:24,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:24,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:24,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:24,503 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 23:03:24,516 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-11-10 23:03:24,516 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-10 23:03:24,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:24,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:24,518 INFO L229 MonitoredProcess]: Starting monitored process 138 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:24,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2024-11-10 23:03:24,520 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 23:03:24,530 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-10 23:03:24,531 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 23:03:24,531 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nc_A~0#1, ULTIMATE.start_main_~i~0#1) = 5*ULTIMATE.start_main_~nc_A~0#1 - 6*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-10 23:03:24,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2024-11-10 23:03:24,568 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2024-11-10 23:03:24,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:24,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 23:03:24,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:24,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 23:03:24,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:24,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:03:24,766 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2024-11-10 23:03:24,766 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 63 states and 70 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:24,838 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 63 states and 70 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 95 states and 110 transitions. Complement of second has 12 states. [2024-11-10 23:03:24,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-10 23:03:24,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:24,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 45 transitions. [2024-11-10 23:03:24,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 45 transitions. Stem has 54 letters. Loop has 3 letters. [2024-11-10 23:03:24,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:24,840 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-10 23:03:24,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:24,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 23:03:24,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:25,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 23:03:25,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:25,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:03:25,047 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 2 loop predicates [2024-11-10 23:03:25,047 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 63 states and 70 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:25,122 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 63 states and 70 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 95 states and 110 transitions. Complement of second has 12 states. [2024-11-10 23:03:25,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-10 23:03:25,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:25,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 45 transitions. [2024-11-10 23:03:25,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 45 transitions. Stem has 54 letters. Loop has 3 letters. [2024-11-10 23:03:25,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:25,124 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-10 23:03:25,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:25,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 23:03:25,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:25,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 23:03:25,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:25,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:03:25,338 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2024-11-10 23:03:25,338 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 63 states and 70 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:25,400 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 63 states and 70 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 103 states and 120 transitions. Complement of second has 11 states. [2024-11-10 23:03:25,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-10 23:03:25,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:25,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 47 transitions. [2024-11-10 23:03:25,401 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 47 transitions. Stem has 54 letters. Loop has 3 letters. [2024-11-10 23:03:25,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:25,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 47 transitions. Stem has 57 letters. Loop has 3 letters. [2024-11-10 23:03:25,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:25,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 47 transitions. Stem has 54 letters. Loop has 6 letters. [2024-11-10 23:03:25,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:25,402 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 120 transitions. [2024-11-10 23:03:25,404 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2024-11-10 23:03:25,405 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 99 states and 114 transitions. [2024-11-10 23:03:25,405 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 58 [2024-11-10 23:03:25,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 62 [2024-11-10 23:03:25,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 114 transitions. [2024-11-10 23:03:25,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:03:25,405 INFO L218 hiAutomatonCegarLoop]: Abstraction has 99 states and 114 transitions. [2024-11-10 23:03:25,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 114 transitions. [2024-11-10 23:03:25,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 82. [2024-11-10 23:03:25,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 82 states have (on average 1.1341463414634145) internal successors, (93), 81 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:25,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2024-11-10 23:03:25,407 INFO L240 hiAutomatonCegarLoop]: Abstraction has 82 states and 93 transitions. [2024-11-10 23:03:25,407 INFO L425 stractBuchiCegarLoop]: Abstraction has 82 states and 93 transitions. [2024-11-10 23:03:25,407 INFO L332 stractBuchiCegarLoop]: ======== Iteration 18 ============ [2024-11-10 23:03:25,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 93 transitions. [2024-11-10 23:03:25,408 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-10 23:03:25,408 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:03:25,408 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:03:25,408 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 5, 5, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:03:25,408 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 23:03:25,408 INFO L745 eck$LassoCheckResult]: Stem: 5402#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 5403#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 5410#L33 assume true; 5408#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 5409#L33 assume true; 5451#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 5449#L33 assume true; 5447#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 5445#L33 assume true; 5443#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 5441#L33 assume true; 5439#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 5437#L33 assume true; 5435#L33-1 assume !(main_~i~0#1 < 5); 5431#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 5423#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 5416#L37 assume true; 5417#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5418#L37 assume true; 5450#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5448#L37 assume true; 5446#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5444#L37 assume true; 5442#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5440#L37 assume true; 5438#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5436#L37 assume true; 5434#L37-1 assume !(main_~i~0#1 < 5); 5425#L39-2 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 5411#L39-1 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 5412#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 5413#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 5454#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 5455#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 5414#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 5415#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 5479#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 5478#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 5477#L45 main_~nc_B~0#1 := 0; 5476#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 5475#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 5474#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 5473#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 5472#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 5471#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 5470#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 5469#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 5424#L49-1 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 5420#L53 [2024-11-10 23:03:25,409 INFO L747 eck$LassoCheckResult]: Loop: 5420#L53 assume true; 5426#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 5419#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 5420#L53 [2024-11-10 23:03:25,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:25,409 INFO L85 PathProgramCache]: Analyzing trace with hash -293870169, now seen corresponding path program 2 times [2024-11-10 23:03:25,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:25,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530674371] [2024-11-10 23:03:25,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:25,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:25,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:25,457 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:25,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:25,458 INFO L85 PathProgramCache]: Analyzing trace with hash 47629, now seen corresponding path program 1 times [2024-11-10 23:03:25,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:25,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501279979] [2024-11-10 23:03:25,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:25,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:25,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:25,465 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:25,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:25,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1542837593, now seen corresponding path program 8 times [2024-11-10 23:03:25,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:25,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897456187] [2024-11-10 23:03:25,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:25,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:25,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:25,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:26,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:30,332 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 23:03:30,332 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 23:03:30,333 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 23:03:30,333 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 23:03:30,333 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 23:03:30,333 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:30,333 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 23:03:30,333 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 23:03:30,333 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration18_Lasso [2024-11-10 23:03:30,333 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 23:03:30,333 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 23:03:30,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:30,339 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:30,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:30,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:30,786 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:30,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:30,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:30,790 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:30,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:30,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:30,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:30,801 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:30,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:30,804 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:30,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:30,807 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:30,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:31,078 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 23:03:31,078 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 23:03:31,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:31,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:31,080 INFO L229 MonitoredProcess]: Starting monitored process 139 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:31,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2024-11-10 23:03:31,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:31,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:31,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:31,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:31,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:31,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:31,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:31,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:31,100 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:31,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:31,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:31,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:31,112 INFO L229 MonitoredProcess]: Starting monitored process 140 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:31,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2024-11-10 23:03:31,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:31,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:31,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:31,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:31,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:31,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:31,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:31,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:31,125 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:31,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2024-11-10 23:03:31,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:31,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:31,136 INFO L229 MonitoredProcess]: Starting monitored process 141 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:31,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2024-11-10 23:03:31,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:31,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:31,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:31,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:31,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:31,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:31,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:31,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:31,148 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:31,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2024-11-10 23:03:31,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:31,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:31,159 INFO L229 MonitoredProcess]: Starting monitored process 142 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:31,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2024-11-10 23:03:31,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:31,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:31,170 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-10 23:03:31,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:31,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:31,171 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-10 23:03:31,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:31,174 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:31,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2024-11-10 23:03:31,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:31,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:31,185 INFO L229 MonitoredProcess]: Starting monitored process 143 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:31,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2024-11-10 23:03:31,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:31,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:31,196 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2024-11-10 23:03:31,196 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-10 23:03:31,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:31,204 INFO L401 nArgumentSynthesizer]: We have 28 Motzkin's Theorem applications. [2024-11-10 23:03:31,204 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-10 23:03:31,224 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:31,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2024-11-10 23:03:31,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:31,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:31,241 INFO L229 MonitoredProcess]: Starting monitored process 144 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:31,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2024-11-10 23:03:31,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:31,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:31,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:31,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:31,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:31,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:31,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:31,262 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:31,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:31,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:31,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:31,278 INFO L229 MonitoredProcess]: Starting monitored process 145 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:31,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2024-11-10 23:03:31,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:31,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:31,293 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-10 23:03:31,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:31,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:31,295 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-10 23:03:31,295 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:31,299 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:31,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2024-11-10 23:03:31,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:31,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:31,315 INFO L229 MonitoredProcess]: Starting monitored process 146 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:31,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2024-11-10 23:03:31,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:31,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:31,329 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-10 23:03:31,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:31,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:31,330 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-10 23:03:31,330 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:31,334 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:31,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:31,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:31,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:31,350 INFO L229 MonitoredProcess]: Starting monitored process 147 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:31,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2024-11-10 23:03:31,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:31,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:31,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:31,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:31,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:31,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:31,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:31,382 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 23:03:31,410 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-11-10 23:03:31,410 INFO L444 ModelExtractionUtils]: 0 out of 28 variables were initially zero. Simplification set additionally 24 variables to zero. [2024-11-10 23:03:31,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:31,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:31,413 INFO L229 MonitoredProcess]: Starting monitored process 148 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:31,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2024-11-10 23:03:31,414 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 23:03:31,431 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-10 23:03:31,432 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 23:03:31,432 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~nc_A~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~nc_A~0#1 Supporting invariants [-1*ULTIMATE.start_main_~j~0#1 >= 0] [2024-11-10 23:03:31,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:31,481 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2024-11-10 23:03:31,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:31,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 23:03:31,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:31,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 23:03:31,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:31,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:03:31,612 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 23:03:31,612 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 93 transitions. cyclomatic complexity: 18 Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:31,643 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 93 transitions. cyclomatic complexity: 18. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 125 states and 145 transitions. Complement of second has 8 states. [2024-11-10 23:03:31,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-10 23:03:31,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:31,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2024-11-10 23:03:31,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 48 letters. Loop has 3 letters. [2024-11-10 23:03:31,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:31,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 51 letters. Loop has 3 letters. [2024-11-10 23:03:31,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:31,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 48 letters. Loop has 6 letters. [2024-11-10 23:03:31,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:31,644 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 145 transitions. [2024-11-10 23:03:31,645 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-10 23:03:31,646 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 111 states and 129 transitions. [2024-11-10 23:03:31,646 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 54 [2024-11-10 23:03:31,646 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2024-11-10 23:03:31,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 111 states and 129 transitions. [2024-11-10 23:03:31,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:03:31,646 INFO L218 hiAutomatonCegarLoop]: Abstraction has 111 states and 129 transitions. [2024-11-10 23:03:31,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states and 129 transitions. [2024-11-10 23:03:31,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 94. [2024-11-10 23:03:31,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 94 states have (on average 1.1595744680851063) internal successors, (109), 93 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:31,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 109 transitions. [2024-11-10 23:03:31,648 INFO L240 hiAutomatonCegarLoop]: Abstraction has 94 states and 109 transitions. [2024-11-10 23:03:31,648 INFO L425 stractBuchiCegarLoop]: Abstraction has 94 states and 109 transitions. [2024-11-10 23:03:31,648 INFO L332 stractBuchiCegarLoop]: ======== Iteration 19 ============ [2024-11-10 23:03:31,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states and 109 transitions. [2024-11-10 23:03:31,649 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-10 23:03:31,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:03:31,649 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:03:31,649 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 5, 5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:03:31,649 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 23:03:31,650 INFO L745 eck$LassoCheckResult]: Stem: 5846#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 5847#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 5854#L33 assume true; 5852#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 5853#L33 assume true; 5900#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 5898#L33 assume true; 5896#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 5894#L33 assume true; 5892#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 5890#L33 assume true; 5888#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 5886#L33 assume true; 5884#L33-1 assume !(main_~i~0#1 < 5); 5878#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 5867#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 5860#L37 assume true; 5861#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5862#L37 assume true; 5899#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5897#L37 assume true; 5895#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5893#L37 assume true; 5891#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5889#L37 assume true; 5887#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 5885#L37 assume true; 5883#L37-1 assume !(main_~i~0#1 < 5); 5870#L39-2 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 5855#L39-1 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 5856#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 5857#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 5858#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 5859#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 5912#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 5844#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 5845#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 5842#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 5843#L45 main_~nc_B~0#1 := 0; 5874#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 5875#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 5876#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 5877#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 5906#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 5903#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 5901#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 5902#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 5868#L49-1 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 5869#L53 assume true; 5873#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 5865#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 5866#L53 assume true; 5931#L53-1 [2024-11-10 23:03:31,650 INFO L747 eck$LassoCheckResult]: Loop: 5931#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 5863#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 5864#L53 assume true; 5931#L53-1 [2024-11-10 23:03:31,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:31,650 INFO L85 PathProgramCache]: Analyzing trace with hash -583325140, now seen corresponding path program 2 times [2024-11-10 23:03:31,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:31,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718492991] [2024-11-10 23:03:31,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:31,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:31,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2024-11-10 23:03:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:31,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:31,727 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:31,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:31,728 INFO L85 PathProgramCache]: Analyzing trace with hash 46549, now seen corresponding path program 2 times [2024-11-10 23:03:31,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:31,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146321145] [2024-11-10 23:03:31,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:31,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:31,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:31,738 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:31,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:31,738 INFO L85 PathProgramCache]: Analyzing trace with hash -401549366, now seen corresponding path program 6 times [2024-11-10 23:03:31,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:31,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439278410] [2024-11-10 23:03:31,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:31,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:31,764 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:31,787 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:37,881 WARN L286 SmtUtils]: Spent 6.01s on a formula simplification. DAG size of input: 358 DAG size of output: 268 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-10 23:03:38,358 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 23:03:38,358 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 23:03:38,358 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 23:03:38,359 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 23:03:38,359 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 23:03:38,359 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:38,359 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 23:03:38,359 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 23:03:38,359 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration19_Lasso [2024-11-10 23:03:38,359 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 23:03:38,359 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 23:03:38,364 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:38,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:38,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:38,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:38,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:38,375 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:38,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:38,379 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:38,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:38,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:38,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:38,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:38,850 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:38,851 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:38,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:38,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:38,855 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:39,255 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 23:03:39,255 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 23:03:39,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,257 INFO L229 MonitoredProcess]: Starting monitored process 149 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2024-11-10 23:03:39,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:39,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:39,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:39,277 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:39,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,294 INFO L229 MonitoredProcess]: Starting monitored process 150 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2024-11-10 23:03:39,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:39,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,310 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:39,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:39,313 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:39,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,329 INFO L229 MonitoredProcess]: Starting monitored process 151 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2024-11-10 23:03:39,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:39,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:39,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:39,345 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2024-11-10 23:03:39,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,360 INFO L229 MonitoredProcess]: Starting monitored process 152 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2024-11-10 23:03:39,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:39,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:39,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:39,379 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:39,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,395 INFO L229 MonitoredProcess]: Starting monitored process 153 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2024-11-10 23:03:39,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:39,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:39,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:39,409 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2024-11-10 23:03:39,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,419 INFO L229 MonitoredProcess]: Starting monitored process 154 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2024-11-10 23:03:39,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:39,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:39,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:39,433 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2024-11-10 23:03:39,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,444 INFO L229 MonitoredProcess]: Starting monitored process 155 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2024-11-10 23:03:39,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:39,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:39,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:39,457 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2024-11-10 23:03:39,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,468 INFO L229 MonitoredProcess]: Starting monitored process 156 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2024-11-10 23:03:39,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:39,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:39,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:39,480 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2024-11-10 23:03:39,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,492 INFO L229 MonitoredProcess]: Starting monitored process 157 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2024-11-10 23:03:39,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:39,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:39,508 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2024-11-10 23:03:39,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,519 INFO L229 MonitoredProcess]: Starting monitored process 158 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2024-11-10 23:03:39,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,532 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-10 23:03:39,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,533 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-10 23:03:39,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:39,536 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2024-11-10 23:03:39,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,547 INFO L229 MonitoredProcess]: Starting monitored process 159 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2024-11-10 23:03:39,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:39,560 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:39,562 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,572 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2024-11-10 23:03:39,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,594 INFO L229 MonitoredProcess]: Starting monitored process 160 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2024-11-10 23:03:39,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,605 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-10 23:03:39,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,606 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-10 23:03:39,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:39,609 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2024-11-10 23:03:39,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,621 INFO L229 MonitoredProcess]: Starting monitored process 161 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2024-11-10 23:03:39,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,632 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2024-11-10 23:03:39,632 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-10 23:03:39,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,650 INFO L401 nArgumentSynthesizer]: We have 44 Motzkin's Theorem applications. [2024-11-10 23:03:39,650 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-10 23:03:39,677 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2024-11-10 23:03:39,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,689 INFO L229 MonitoredProcess]: Starting monitored process 162 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2024-11-10 23:03:39,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:39,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:39,703 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2024-11-10 23:03:39,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,715 INFO L229 MonitoredProcess]: Starting monitored process 163 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2024-11-10 23:03:39,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:39,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:39,730 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2024-11-10 23:03:39,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,742 INFO L229 MonitoredProcess]: Starting monitored process 164 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2024-11-10 23:03:39,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:39,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:39,756 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2024-11-10 23:03:39,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,768 INFO L229 MonitoredProcess]: Starting monitored process 165 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2024-11-10 23:03:39,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:39,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:39,783 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2024-11-10 23:03:39,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,794 INFO L229 MonitoredProcess]: Starting monitored process 166 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2024-11-10 23:03:39,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:39,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:39,809 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Ended with exit code 0 [2024-11-10 23:03:39,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,821 INFO L229 MonitoredProcess]: Starting monitored process 167 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2024-11-10 23:03:39,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:39,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:39,835 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Ended with exit code 0 [2024-11-10 23:03:39,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,847 INFO L229 MonitoredProcess]: Starting monitored process 168 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2024-11-10 23:03:39,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:39,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:39,862 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Ended with exit code 0 [2024-11-10 23:03:39,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,874 INFO L229 MonitoredProcess]: Starting monitored process 169 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2024-11-10 23:03:39,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:39,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:39,889 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Ended with exit code 0 [2024-11-10 23:03:39,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,902 INFO L229 MonitoredProcess]: Starting monitored process 170 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2024-11-10 23:03:39,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:39,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:39,917 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Ended with exit code 0 [2024-11-10 23:03:39,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,930 INFO L229 MonitoredProcess]: Starting monitored process 171 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2024-11-10 23:03:39,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:39,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:39,944 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:39,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Ended with exit code 0 [2024-11-10 23:03:39,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:39,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:39,956 INFO L229 MonitoredProcess]: Starting monitored process 172 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:39,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2024-11-10 23:03:39,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:39,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:39,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:39,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:39,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:39,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:39,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:39,982 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 23:03:40,022 INFO L443 ModelExtractionUtils]: Simplification made 33 calls to the SMT solver. [2024-11-10 23:03:40,022 INFO L444 ModelExtractionUtils]: 1 out of 28 variables were initially zero. Simplification set additionally 22 variables to zero. [2024-11-10 23:03:40,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:40,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:40,024 INFO L229 MonitoredProcess]: Starting monitored process 173 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:40,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2024-11-10 23:03:40,025 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 23:03:40,036 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-10 23:03:40,036 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 23:03:40,036 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nc_B~0#1, ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~j~0#1) = 5*ULTIMATE.start_main_~nc_B~0#1 - 2*ULTIMATE.start_main_~i~0#1 + 2*ULTIMATE.start_main_~j~0#1 Supporting invariants [-1*ULTIMATE.start_main_~#string_B~0#1.offset >= 0] [2024-11-10 23:03:40,047 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Ended with exit code 0 [2024-11-10 23:03:40,083 INFO L156 tatePredicateManager]: 15 out of 17 supporting invariants were superfluous and have been removed [2024-11-10 23:03:40,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:40,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 23:03:40,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:40,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 23:03:40,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:40,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:03:40,471 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 3 loop predicates [2024-11-10 23:03:40,471 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 94 states and 109 transitions. cyclomatic complexity: 24 Second operand has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:40,559 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 94 states and 109 transitions. cyclomatic complexity: 24. Second operand has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 111 states and 132 transitions. Complement of second has 13 states. [2024-11-10 23:03:40,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-10 23:03:40,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:40,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 42 transitions. [2024-11-10 23:03:40,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 42 transitions. Stem has 52 letters. Loop has 3 letters. [2024-11-10 23:03:40,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:40,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 42 transitions. Stem has 55 letters. Loop has 3 letters. [2024-11-10 23:03:40,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:40,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 42 transitions. Stem has 52 letters. Loop has 6 letters. [2024-11-10 23:03:40,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:40,561 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 111 states and 132 transitions. [2024-11-10 23:03:40,562 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:03:40,562 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 111 states to 75 states and 84 transitions. [2024-11-10 23:03:40,562 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2024-11-10 23:03:40,562 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2024-11-10 23:03:40,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 75 states and 84 transitions. [2024-11-10 23:03:40,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:03:40,563 INFO L218 hiAutomatonCegarLoop]: Abstraction has 75 states and 84 transitions. [2024-11-10 23:03:40,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states and 84 transitions. [2024-11-10 23:03:40,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2024-11-10 23:03:40,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 73 states have (on average 1.1232876712328768) internal successors, (82), 72 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:40,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 82 transitions. [2024-11-10 23:03:40,564 INFO L240 hiAutomatonCegarLoop]: Abstraction has 73 states and 82 transitions. [2024-11-10 23:03:40,565 INFO L425 stractBuchiCegarLoop]: Abstraction has 73 states and 82 transitions. [2024-11-10 23:03:40,565 INFO L332 stractBuchiCegarLoop]: ======== Iteration 20 ============ [2024-11-10 23:03:40,565 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 73 states and 82 transitions. [2024-11-10 23:03:40,565 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:03:40,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:03:40,565 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:03:40,566 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 5, 5, 5, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:03:40,566 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 23:03:40,566 INFO L745 eck$LassoCheckResult]: Stem: 6331#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 6332#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 6353#L33 assume true; 6337#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 6338#L33 assume true; 6339#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 6383#L33 assume true; 6381#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 6379#L33 assume true; 6377#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 6375#L33 assume true; 6373#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 6371#L33 assume true; 6369#L33-1 assume !(main_~i~0#1 < 5); 6358#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 6350#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 6343#L37 assume true; 6344#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6345#L37 assume true; 6382#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6380#L37 assume true; 6378#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6376#L37 assume true; 6374#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6372#L37 assume true; 6370#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6368#L37 assume true; 6367#L37-1 assume !(main_~i~0#1 < 5); 6352#L39-2 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 6340#L39-1 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 6341#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 6329#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 6330#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 6342#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 6387#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 6386#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 6385#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 6364#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 6363#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 6327#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 6328#L45 main_~nc_B~0#1 := 0; 6356#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 6335#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 6336#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 6357#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 6384#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 6366#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 6365#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 6333#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 6334#L49-1 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 6351#L53 assume true; 6355#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 6348#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 6349#L53 assume true; 6389#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 6397#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 6388#L53 assume true; 6354#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 6346#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 6347#L53 [2024-11-10 23:03:40,567 INFO L747 eck$LassoCheckResult]: Loop: 6347#L53 assume true; 6395#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 6393#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 6347#L53 [2024-11-10 23:03:40,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:40,567 INFO L85 PathProgramCache]: Analyzing trace with hash -19190009, now seen corresponding path program 7 times [2024-11-10 23:03:40,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:40,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809242586] [2024-11-10 23:03:40,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:40,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:40,807 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Ended with exit code 0 [2024-11-10 23:03:40,857 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-10 23:03:40,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:03:40,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809242586] [2024-11-10 23:03:40,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809242586] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 23:03:40,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300823020] [2024-11-10 23:03:40,858 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-10 23:03:40,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 23:03:40,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:40,860 INFO L229 MonitoredProcess]: Starting monitored process 174 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 23:03:40,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (174)] Waiting until timeout for monitored process [2024-11-10 23:03:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:41,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 23:03:41,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:41,112 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-10 23:03:41,113 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 23:03:41,178 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-10 23:03:41,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300823020] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 23:03:41,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 23:03:41,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2024-11-10 23:03:41,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866367453] [2024-11-10 23:03:41,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 23:03:41,179 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-10 23:03:41,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:41,179 INFO L85 PathProgramCache]: Analyzing trace with hash 47628, now seen corresponding path program 11 times [2024-11-10 23:03:41,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:41,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478748962] [2024-11-10 23:03:41,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:41,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:41,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:41,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:41,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:03:41,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 23:03:41,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2024-11-10 23:03:41,251 INFO L87 Difference]: Start difference. First operand 73 states and 82 transitions. cyclomatic complexity: 15 Second operand has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:41,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:03:41,297 INFO L93 Difference]: Finished difference Result 79 states and 88 transitions. [2024-11-10 23:03:41,297 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 79 states and 88 transitions. [2024-11-10 23:03:41,298 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:03:41,298 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 79 states to 77 states and 86 transitions. [2024-11-10 23:03:41,298 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2024-11-10 23:03:41,298 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2024-11-10 23:03:41,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 86 transitions. [2024-11-10 23:03:41,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:03:41,298 INFO L218 hiAutomatonCegarLoop]: Abstraction has 77 states and 86 transitions. [2024-11-10 23:03:41,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 86 transitions. [2024-11-10 23:03:41,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2024-11-10 23:03:41,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 75 states have (on average 1.12) internal successors, (84), 74 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:41,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 84 transitions. [2024-11-10 23:03:41,300 INFO L240 hiAutomatonCegarLoop]: Abstraction has 75 states and 84 transitions. [2024-11-10 23:03:41,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 23:03:41,301 INFO L425 stractBuchiCegarLoop]: Abstraction has 75 states and 84 transitions. [2024-11-10 23:03:41,301 INFO L332 stractBuchiCegarLoop]: ======== Iteration 21 ============ [2024-11-10 23:03:41,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states and 84 transitions. [2024-11-10 23:03:41,301 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-10 23:03:41,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:03:41,302 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:03:41,302 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 5, 5, 5, 5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:03:41,302 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 23:03:41,302 INFO L745 eck$LassoCheckResult]: Stem: 6851#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 6852#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 6859#L33 assume true; 6857#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 6858#L33 assume true; 6898#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 6896#L33 assume true; 6894#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 6892#L33 assume true; 6890#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 6888#L33 assume true; 6886#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 6885#L33 assume true; 6884#L33-1 assume !(main_~i~0#1 < 5); 6877#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 6871#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 6863#L37 assume true; 6864#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6865#L37 assume true; 6900#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6899#L37 assume true; 6897#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6895#L37 assume true; 6893#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6891#L37 assume true; 6889#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 6887#L37 assume true; 6883#L37-1 assume !(main_~i~0#1 < 5); 6872#L39-2 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 6860#L39-1 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 6861#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 6849#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 6850#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 6862#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 6906#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 6904#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 6902#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 6880#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 6879#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 6847#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 6848#L45 main_~nc_B~0#1 := 0; 6875#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 6855#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 6856#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 6876#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 6905#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 6903#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 6901#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 6882#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 6881#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 6853#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 6854#L49-1 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 6870#L53 assume true; 6874#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 6868#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 6869#L53 assume true; 6873#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 6866#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 6867#L53 assume true; 6915#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 6913#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 6908#L53 [2024-11-10 23:03:41,304 INFO L747 eck$LassoCheckResult]: Loop: 6908#L53 assume true; 6911#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 6910#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 6908#L53 [2024-11-10 23:03:41,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:41,304 INFO L85 PathProgramCache]: Analyzing trace with hash 522463974, now seen corresponding path program 8 times [2024-11-10 23:03:41,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:41,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840902546] [2024-11-10 23:03:41,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:41,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:41,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:41,363 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:41,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:41,364 INFO L85 PathProgramCache]: Analyzing trace with hash 47628, now seen corresponding path program 12 times [2024-11-10 23:03:41,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:41,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676018169] [2024-11-10 23:03:41,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:41,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:41,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:41,371 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:41,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:41,372 INFO L85 PathProgramCache]: Analyzing trace with hash -237213433, now seen corresponding path program 9 times [2024-11-10 23:03:41,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:41,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819404493] [2024-11-10 23:03:41,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:41,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:41,397 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:41,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:46,640 WARN L286 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 434 DAG size of output: 318 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-10 23:03:47,032 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 23:03:47,032 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 23:03:47,032 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 23:03:47,032 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 23:03:47,032 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 23:03:47,032 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:47,032 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 23:03:47,032 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 23:03:47,032 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration21_Lasso [2024-11-10 23:03:47,032 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 23:03:47,032 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 23:03:47,033 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:47,035 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:47,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:47,038 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:47,039 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:47,040 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:47,042 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:47,043 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:47,045 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:47,046 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:47,053 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:47,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:47,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:47,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:47,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:47,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:47,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:47,627 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2024-11-10 23:03:49,304 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 23:03:49,304 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 23:03:49,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:49,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:49,308 INFO L229 MonitoredProcess]: Starting monitored process 175 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:49,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2024-11-10 23:03:49,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:49,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:49,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:49,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:49,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:49,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:49,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:49,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:49,324 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:49,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:49,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:49,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:49,340 INFO L229 MonitoredProcess]: Starting monitored process 176 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:49,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2024-11-10 23:03:49,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:49,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:49,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:49,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:49,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:49,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:49,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:49,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:49,359 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:49,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Ended with exit code 0 [2024-11-10 23:03:49,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:49,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:49,374 INFO L229 MonitoredProcess]: Starting monitored process 177 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:49,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2024-11-10 23:03:49,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:49,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:49,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:49,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:49,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:49,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:49,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:49,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:49,386 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:49,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Ended with exit code 0 [2024-11-10 23:03:49,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:49,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:49,398 INFO L229 MonitoredProcess]: Starting monitored process 178 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:49,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2024-11-10 23:03:49,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:49,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:49,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:49,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:49,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:49,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:49,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:49,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:49,410 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:49,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Ended with exit code 0 [2024-11-10 23:03:49,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:49,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:49,422 INFO L229 MonitoredProcess]: Starting monitored process 179 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:49,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2024-11-10 23:03:49,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:49,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:49,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:49,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:49,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:49,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:49,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:49,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:49,434 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:49,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Ended with exit code 0 [2024-11-10 23:03:49,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:49,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:49,445 INFO L229 MonitoredProcess]: Starting monitored process 180 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:49,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2024-11-10 23:03:49,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:49,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:49,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:49,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:49,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:49,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:49,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:49,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:49,457 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:49,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Ended with exit code 0 [2024-11-10 23:03:49,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:49,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:49,468 INFO L229 MonitoredProcess]: Starting monitored process 181 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:49,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2024-11-10 23:03:49,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:49,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:49,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:49,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:49,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:49,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:49,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:49,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:49,480 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:49,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Ended with exit code 0 [2024-11-10 23:03:49,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:49,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:49,492 INFO L229 MonitoredProcess]: Starting monitored process 182 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:49,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2024-11-10 23:03:49,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:49,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:49,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:49,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:49,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:49,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:49,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:49,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:49,504 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:49,514 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Ended with exit code 0 [2024-11-10 23:03:49,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:49,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:49,515 INFO L229 MonitoredProcess]: Starting monitored process 183 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:49,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2024-11-10 23:03:49,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:49,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:49,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:03:49,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:49,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:49,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:49,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:03:49,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:03:49,528 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:49,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Ended with exit code 0 [2024-11-10 23:03:49,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:49,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:49,539 INFO L229 MonitoredProcess]: Starting monitored process 184 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:49,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2024-11-10 23:03:49,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:49,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:49,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:49,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:49,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:49,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:49,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:49,554 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:49,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Ended with exit code 0 [2024-11-10 23:03:49,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:49,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:49,565 INFO L229 MonitoredProcess]: Starting monitored process 185 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:49,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2024-11-10 23:03:49,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:49,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:49,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:49,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:49,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:49,577 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:49,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:49,579 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:49,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Ended with exit code 0 [2024-11-10 23:03:49,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:49,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:49,590 INFO L229 MonitoredProcess]: Starting monitored process 186 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:49,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2024-11-10 23:03:49,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:49,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:49,602 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-10 23:03:49,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:49,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:49,603 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-10 23:03:49,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:49,607 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:49,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Ended with exit code 0 [2024-11-10 23:03:49,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:49,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:49,620 INFO L229 MonitoredProcess]: Starting monitored process 187 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:49,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2024-11-10 23:03:49,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:49,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:49,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:49,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:49,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:49,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:49,631 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:49,634 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:49,644 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Ended with exit code 0 [2024-11-10 23:03:49,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:49,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:49,646 INFO L229 MonitoredProcess]: Starting monitored process 188 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:49,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2024-11-10 23:03:49,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:49,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:49,657 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-10 23:03:49,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:49,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:49,660 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-10 23:03:49,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:49,665 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:03:49,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Ended with exit code 0 [2024-11-10 23:03:49,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:49,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:49,677 INFO L229 MonitoredProcess]: Starting monitored process 189 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:49,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2024-11-10 23:03:49,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:03:49,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:03:49,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:03:49,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:03:49,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:03:49,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:03:49,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:03:49,696 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 23:03:49,711 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-11-10 23:03:49,711 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-10 23:03:49,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:49,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:03:49,715 INFO L229 MonitoredProcess]: Starting monitored process 190 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:03:49,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2024-11-10 23:03:49,717 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 23:03:49,731 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-10 23:03:49,732 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 23:03:49,732 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_10) = -1*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_10 Supporting invariants [1*ULTIMATE.start_main_~#string_A~0#1.offset >= 0] [2024-11-10 23:03:49,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Ended with exit code 0 [2024-11-10 23:03:49,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Forceful destruction successful, exit code 0 [2024-11-10 23:03:49,814 INFO L156 tatePredicateManager]: 16 out of 17 supporting invariants were superfluous and have been removed [2024-11-10 23:03:49,815 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-10 23:03:49,815 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-10 23:03:49,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:49,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 23:03:49,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:50,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 23:03:50,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:50,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:03:50,231 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-10 23:03:50,231 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 75 states and 84 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:50,261 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 75 states and 84 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 87 states and 102 transitions. Complement of second has 8 states. [2024-11-10 23:03:50,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-10 23:03:50,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:50,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2024-11-10 23:03:50,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 61 letters. Loop has 3 letters. [2024-11-10 23:03:50,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:50,262 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-10 23:03:50,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:50,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 23:03:50,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:50,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 23:03:50,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:50,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:03:50,670 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-10 23:03:50,671 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 75 states and 84 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:50,700 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 75 states and 84 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 87 states and 102 transitions. Complement of second has 8 states. [2024-11-10 23:03:50,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-10 23:03:50,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:50,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2024-11-10 23:03:50,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 61 letters. Loop has 3 letters. [2024-11-10 23:03:50,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:50,701 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-10 23:03:50,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:50,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 23:03:50,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:03:51,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 23:03:51,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:03:51,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:03:51,132 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-10 23:03:51,132 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 75 states and 84 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:51,161 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 75 states and 84 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 92 states and 108 transitions. Complement of second has 7 states. [2024-11-10 23:03:51,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-10 23:03:51,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2024-11-10 23:03:51,163 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 61 letters. Loop has 3 letters. [2024-11-10 23:03:51,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:51,163 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 64 letters. Loop has 3 letters. [2024-11-10 23:03:51,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:51,163 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 61 letters. Loop has 6 letters. [2024-11-10 23:03:51,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:03:51,163 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 92 states and 108 transitions. [2024-11-10 23:03:51,164 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-10 23:03:51,164 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 92 states to 84 states and 95 transitions. [2024-11-10 23:03:51,165 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2024-11-10 23:03:51,165 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2024-11-10 23:03:51,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 84 states and 95 transitions. [2024-11-10 23:03:51,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:03:51,165 INFO L218 hiAutomatonCegarLoop]: Abstraction has 84 states and 95 transitions. [2024-11-10 23:03:51,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states and 95 transitions. [2024-11-10 23:03:51,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 67. [2024-11-10 23:03:51,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.1044776119402986) internal successors, (74), 66 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:03:51,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 74 transitions. [2024-11-10 23:03:51,167 INFO L240 hiAutomatonCegarLoop]: Abstraction has 67 states and 74 transitions. [2024-11-10 23:03:51,167 INFO L425 stractBuchiCegarLoop]: Abstraction has 67 states and 74 transitions. [2024-11-10 23:03:51,167 INFO L332 stractBuchiCegarLoop]: ======== Iteration 22 ============ [2024-11-10 23:03:51,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states and 74 transitions. [2024-11-10 23:03:51,168 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-10 23:03:51,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:03:51,168 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:03:51,168 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 5, 5, 5, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:03:51,169 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 23:03:51,169 INFO L745 eck$LassoCheckResult]: Stem: 7889#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 7890#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 7897#L33 assume true; 7895#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 7896#L33 assume true; 7938#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 7937#L33 assume true; 7935#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 7933#L33 assume true; 7931#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 7929#L33 assume true; 7927#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 7925#L33 assume true; 7923#L33-1 assume !(main_~i~0#1 < 5); 7916#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 7910#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 7904#L37 assume true; 7902#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 7903#L37 assume true; 7936#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 7934#L37 assume true; 7932#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 7930#L37 assume true; 7928#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 7926#L37 assume true; 7924#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 7922#L37 assume true; 7921#L37-1 assume !(main_~i~0#1 < 5); 7911#L39-2 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 7898#L39-1 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 7899#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 7900#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 7901#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 7887#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 7888#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 7943#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 7942#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 7918#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 7917#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 7885#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 7886#L45 main_~nc_B~0#1 := 0; 7914#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 7893#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 7894#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 7915#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 7941#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 7940#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 7939#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 7920#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 7919#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 7891#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 7892#L49-1 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 7909#L53 assume true; 7913#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 7907#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 7908#L53 assume true; 7912#L53-1 [2024-11-10 23:03:51,169 INFO L747 eck$LassoCheckResult]: Loop: 7912#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 7905#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 7906#L53 assume true; 7912#L53-1 [2024-11-10 23:03:51,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:51,170 INFO L85 PathProgramCache]: Analyzing trace with hash -481435988, now seen corresponding path program 3 times [2024-11-10 23:03:51,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:51,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853882016] [2024-11-10 23:03:51,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:51,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:51,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:51,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:51,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:51,216 INFO L85 PathProgramCache]: Analyzing trace with hash 46549, now seen corresponding path program 3 times [2024-11-10 23:03:51,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:51,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778515181] [2024-11-10 23:03:51,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:51,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:51,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:51,223 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:51,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:03:51,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1563700406, now seen corresponding path program 10 times [2024-11-10 23:03:51,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:03:51,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112423940] [2024-11-10 23:03:51,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:03:51,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:03:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:51,247 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:03:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:03:51,267 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:03:58,995 WARN L286 SmtUtils]: Spent 7.65s on a formula simplification. DAG size of input: 386 DAG size of output: 286 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-10 23:03:59,705 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 23:03:59,705 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 23:03:59,705 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 23:03:59,705 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 23:03:59,705 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 23:03:59,705 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:03:59,705 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 23:03:59,705 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 23:03:59,705 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration22_Lasso [2024-11-10 23:03:59,705 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 23:03:59,705 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 23:03:59,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:59,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:59,710 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:59,711 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:59,713 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:59,714 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:59,715 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:59,717 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:59,719 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:59,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:59,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:03:59,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:04:00,137 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:04:00,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:04:00,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:04:00,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:04:00,149 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:04:00,456 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 23:04:00,456 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 23:04:00,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:00,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:00,461 INFO L229 MonitoredProcess]: Starting monitored process 191 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:00,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2024-11-10 23:04:00,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:00,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:00,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:04:00,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:00,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:00,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:00,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:04:00,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:04:00,481 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:00,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Forceful destruction successful, exit code 0 [2024-11-10 23:04:00,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:00,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:00,498 INFO L229 MonitoredProcess]: Starting monitored process 192 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:00,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:00,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2024-11-10 23:04:00,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:00,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:04:00,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:00,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:00,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:00,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:04:00,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:04:00,516 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:00,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Forceful destruction successful, exit code 0 [2024-11-10 23:04:00,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:00,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:00,529 INFO L229 MonitoredProcess]: Starting monitored process 193 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:00,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2024-11-10 23:04:00,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:00,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:00,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:04:00,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:00,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:00,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:00,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:04:00,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:04:00,541 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:00,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Ended with exit code 0 [2024-11-10 23:04:00,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:00,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:00,554 INFO L229 MonitoredProcess]: Starting monitored process 194 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:00,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2024-11-10 23:04:00,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:00,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:00,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:04:00,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:00,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:00,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:00,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:04:00,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:04:00,567 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:00,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Ended with exit code 0 [2024-11-10 23:04:00,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:00,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:00,579 INFO L229 MonitoredProcess]: Starting monitored process 195 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:00,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2024-11-10 23:04:00,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:00,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:00,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:04:00,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:00,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:00,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:00,591 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:04:00,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:04:00,592 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:00,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Forceful destruction successful, exit code 0 [2024-11-10 23:04:00,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:00,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:00,621 INFO L229 MonitoredProcess]: Starting monitored process 196 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:00,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2024-11-10 23:04:00,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:00,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:00,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:04:00,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:00,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:00,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:00,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:04:00,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:04:00,633 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:00,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Ended with exit code 0 [2024-11-10 23:04:00,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:00,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:00,645 INFO L229 MonitoredProcess]: Starting monitored process 197 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:00,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2024-11-10 23:04:00,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:00,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:00,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:04:00,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:00,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:00,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:00,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:04:00,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:04:00,658 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:00,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Ended with exit code 0 [2024-11-10 23:04:00,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:00,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:00,670 INFO L229 MonitoredProcess]: Starting monitored process 198 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:00,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2024-11-10 23:04:00,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:00,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:00,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:04:00,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:00,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:00,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:00,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:04:00,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:04:00,684 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:00,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Ended with exit code 0 [2024-11-10 23:04:00,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:00,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:00,698 INFO L229 MonitoredProcess]: Starting monitored process 199 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:00,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2024-11-10 23:04:00,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:00,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:00,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:04:00,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:00,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:00,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:00,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:04:00,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:04:00,710 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:00,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Ended with exit code 0 [2024-11-10 23:04:00,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:00,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:00,724 INFO L229 MonitoredProcess]: Starting monitored process 200 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:00,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2024-11-10 23:04:00,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:00,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:00,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:04:00,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:00,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:00,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:00,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:04:00,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:04:00,737 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:00,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Ended with exit code 0 [2024-11-10 23:04:00,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:00,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:00,749 INFO L229 MonitoredProcess]: Starting monitored process 201 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:00,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2024-11-10 23:04:00,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:00,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:00,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:04:00,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:00,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:00,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:00,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:04:00,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:04:00,765 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:00,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Ended with exit code 0 [2024-11-10 23:04:00,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:00,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:00,776 INFO L229 MonitoredProcess]: Starting monitored process 202 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:00,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2024-11-10 23:04:00,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:00,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:00,788 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-10 23:04:00,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:00,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:00,789 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-10 23:04:00,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:04:00,792 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:00,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Ended with exit code 0 [2024-11-10 23:04:00,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:00,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:00,805 INFO L229 MonitoredProcess]: Starting monitored process 203 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:00,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2024-11-10 23:04:00,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:00,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:00,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:00,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:00,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:00,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:04:00,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:04:00,820 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:00,830 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Ended with exit code 0 [2024-11-10 23:04:00,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:00,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:00,833 INFO L229 MonitoredProcess]: Starting monitored process 204 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:00,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2024-11-10 23:04:00,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:00,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:00,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:00,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:00,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:00,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:04:00,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:04:00,851 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:00,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Ended with exit code 0 [2024-11-10 23:04:00,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:00,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:00,863 INFO L229 MonitoredProcess]: Starting monitored process 205 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:00,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2024-11-10 23:04:00,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:00,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:00,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:00,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:00,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:00,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:04:00,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:04:00,877 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:00,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Ended with exit code 0 [2024-11-10 23:04:00,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:00,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:00,889 INFO L229 MonitoredProcess]: Starting monitored process 206 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:00,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2024-11-10 23:04:00,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:00,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:00,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:00,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:00,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:00,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:04:00,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:04:00,905 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:00,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Ended with exit code 0 [2024-11-10 23:04:00,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:00,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:00,917 INFO L229 MonitoredProcess]: Starting monitored process 207 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:00,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2024-11-10 23:04:00,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:00,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:00,930 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-10 23:04:00,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:00,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:00,931 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-10 23:04:00,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:04:00,934 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:00,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Forceful destruction successful, exit code 0 [2024-11-10 23:04:00,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:00,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:00,946 INFO L229 MonitoredProcess]: Starting monitored process 208 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:00,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2024-11-10 23:04:00,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:00,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:00,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:00,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:00,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:00,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:04:00,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:04:00,960 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:00,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Ended with exit code 0 [2024-11-10 23:04:00,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:00,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:00,971 INFO L229 MonitoredProcess]: Starting monitored process 209 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:00,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2024-11-10 23:04:00,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:00,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:00,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:00,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:00,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:00,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:04:00,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:04:00,987 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:00,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Ended with exit code 0 [2024-11-10 23:04:00,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:00,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:00,998 INFO L229 MonitoredProcess]: Starting monitored process 210 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:00,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2024-11-10 23:04:01,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:01,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:01,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:01,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:01,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:01,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:04:01,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:04:01,014 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:01,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Ended with exit code 0 [2024-11-10 23:04:01,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:01,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:01,026 INFO L229 MonitoredProcess]: Starting monitored process 211 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:01,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process [2024-11-10 23:04:01,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:01,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:01,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:01,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:01,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:01,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:04:01,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:04:01,041 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:01,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Ended with exit code 0 [2024-11-10 23:04:01,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:01,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:01,055 INFO L229 MonitoredProcess]: Starting monitored process 212 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:01,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Waiting until timeout for monitored process [2024-11-10 23:04:01,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:01,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:01,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:01,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:01,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:01,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:04:01,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:04:01,070 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:01,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Ended with exit code 0 [2024-11-10 23:04:01,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:01,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:01,081 INFO L229 MonitoredProcess]: Starting monitored process 213 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:01,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Waiting until timeout for monitored process [2024-11-10 23:04:01,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:01,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:01,092 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-10 23:04:01,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:01,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:01,093 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-10 23:04:01,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:04:01,095 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:01,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Ended with exit code 0 [2024-11-10 23:04:01,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:01,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:01,108 INFO L229 MonitoredProcess]: Starting monitored process 214 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:01,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Waiting until timeout for monitored process [2024-11-10 23:04:01,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:01,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:01,120 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2024-11-10 23:04:01,120 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-10 23:04:01,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:01,127 INFO L401 nArgumentSynthesizer]: We have 28 Motzkin's Theorem applications. [2024-11-10 23:04:01,127 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-10 23:04:01,141 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:01,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Ended with exit code 0 [2024-11-10 23:04:01,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:01,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:01,153 INFO L229 MonitoredProcess]: Starting monitored process 215 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:01,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Waiting until timeout for monitored process [2024-11-10 23:04:01,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:01,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:01,164 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-10 23:04:01,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:01,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:01,165 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-10 23:04:01,165 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:04:01,168 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:04:01,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Ended with exit code 0 [2024-11-10 23:04:01,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:01,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:01,179 INFO L229 MonitoredProcess]: Starting monitored process 216 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:01,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Waiting until timeout for monitored process [2024-11-10 23:04:01,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 23:04:01,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:04:01,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:04:01,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:04:01,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:04:01,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 23:04:01,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 23:04:01,204 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 23:04:01,223 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2024-11-10 23:04:01,223 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-11-10 23:04:01,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:04:01,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:01,224 INFO L229 MonitoredProcess]: Starting monitored process 217 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:04:01,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Waiting until timeout for monitored process [2024-11-10 23:04:01,226 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 23:04:01,237 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-10 23:04:01,237 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 23:04:01,237 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#string_B~0#1.base)_11) = 5*ULTIMATE.start_main_~j~0#1 - 5*ULTIMATE.start_main_~i~0#1 + 4*v_rep(select #length ULTIMATE.start_main_~#string_B~0#1.base)_11 Supporting invariants [-5*ULTIMATE.start_main_~#string_B~0#1.offset + 4*v_rep(select #length ULTIMATE.start_main_~#string_B~0#1.base)_11 - 5*ULTIMATE.start_main_~nc_A~0#1 >= 0] [2024-11-10 23:04:01,247 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Ended with exit code 0 [2024-11-10 23:04:01,275 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2024-11-10 23:04:01,278 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-10 23:04:01,278 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-10 23:04:01,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:04:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:04:01,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 23:04:01,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:04:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:04:01,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 23:04:01,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:04:01,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:04:01,802 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.13 stem predicates 3 loop predicates [2024-11-10 23:04:01,802 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 67 states and 74 transitions. cyclomatic complexity: 11 Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:04:02,148 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 67 states and 74 transitions. cyclomatic complexity: 11. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 118 states and 141 transitions. Complement of second has 20 states. [2024-11-10 23:04:02,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 17 states 13 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-10 23:04:02,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:04:02,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 60 transitions. [2024-11-10 23:04:02,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 60 transitions. Stem has 56 letters. Loop has 3 letters. [2024-11-10 23:04:02,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:04:02,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 60 transitions. Stem has 59 letters. Loop has 3 letters. [2024-11-10 23:04:02,150 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:04:02,150 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 60 transitions. Stem has 56 letters. Loop has 6 letters. [2024-11-10 23:04:02,150 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:04:02,150 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 141 transitions. [2024-11-10 23:04:02,151 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-10 23:04:02,151 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 71 states and 78 transitions. [2024-11-10 23:04:02,151 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2024-11-10 23:04:02,151 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2024-11-10 23:04:02,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 78 transitions. [2024-11-10 23:04:02,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:04:02,152 INFO L218 hiAutomatonCegarLoop]: Abstraction has 71 states and 78 transitions. [2024-11-10 23:04:02,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 78 transitions. [2024-11-10 23:04:02,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2024-11-10 23:04:02,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.1014492753623188) internal successors, (76), 68 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:04:02,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 76 transitions. [2024-11-10 23:04:02,153 INFO L240 hiAutomatonCegarLoop]: Abstraction has 69 states and 76 transitions. [2024-11-10 23:04:02,154 INFO L425 stractBuchiCegarLoop]: Abstraction has 69 states and 76 transitions. [2024-11-10 23:04:02,154 INFO L332 stractBuchiCegarLoop]: ======== Iteration 23 ============ [2024-11-10 23:04:02,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 76 transitions. [2024-11-10 23:04:02,154 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-10 23:04:02,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:04:02,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:04:02,155 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 6, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:04:02,155 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 23:04:02,155 INFO L745 eck$LassoCheckResult]: Stem: 8378#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 8379#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 8386#L33 assume true; 8384#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 8385#L33 assume true; 8431#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 8430#L33 assume true; 8428#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 8426#L33 assume true; 8424#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 8422#L33 assume true; 8420#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 8418#L33 assume true; 8416#L33-1 assume !(main_~i~0#1 < 5); 8406#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 8398#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 8391#L37 assume true; 8392#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 8393#L37 assume true; 8429#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 8427#L37 assume true; 8425#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 8423#L37 assume true; 8421#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 8419#L37 assume true; 8417#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 8415#L37 assume true; 8414#L37-1 assume !(main_~i~0#1 < 5); 8400#L39-2 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 8387#L39-1 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 8388#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 8389#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 8390#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 8376#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 8377#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 8442#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 8441#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 8440#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 8439#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 8411#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 8410#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 8374#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 8375#L45 main_~nc_B~0#1 := 0; 8404#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 8382#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 8383#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 8405#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 8434#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 8433#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 8432#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 8413#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 8412#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 8380#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 8381#L49-1 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 8399#L53 assume true; 8407#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 8396#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 8397#L53 assume true; 8401#L53-1 [2024-11-10 23:04:02,155 INFO L747 eck$LassoCheckResult]: Loop: 8401#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 8394#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 8395#L53 assume true; 8401#L53-1 [2024-11-10 23:04:02,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:04:02,156 INFO L85 PathProgramCache]: Analyzing trace with hash -2027305237, now seen corresponding path program 4 times [2024-11-10 23:04:02,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:04:02,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087466268] [2024-11-10 23:04:02,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:04:02,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:04:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:04:02,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Ended with exit code 0 [2024-11-10 23:04:02,452 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-10 23:04:02,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:04:02,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087466268] [2024-11-10 23:04:02,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087466268] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 23:04:02,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970380878] [2024-11-10 23:04:02,453 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 23:04:02,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 23:04:02,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:02,455 INFO L229 MonitoredProcess]: Starting monitored process 218 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 23:04:02,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (218)] Waiting until timeout for monitored process [2024-11-10 23:04:02,636 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 23:04:02,636 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 23:04:02,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 23:04:02,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:04:02,766 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-10 23:04:02,766 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 23:04:02,869 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-10 23:04:02,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970380878] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 23:04:02,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 23:04:02,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 20 [2024-11-10 23:04:02,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219296796] [2024-11-10 23:04:02,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 23:04:02,871 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-10 23:04:02,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:04:02,871 INFO L85 PathProgramCache]: Analyzing trace with hash 46549, now seen corresponding path program 4 times [2024-11-10 23:04:02,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:04:02,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151062364] [2024-11-10 23:04:02,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:04:02,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:04:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:04:02,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:04:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:04:02,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:04:02,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:04:02,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 23:04:02,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=246, Unknown=0, NotChecked=0, Total=380 [2024-11-10 23:04:02,953 INFO L87 Difference]: Start difference. First operand 69 states and 76 transitions. cyclomatic complexity: 11 Second operand has 20 states, 20 states have (on average 2.85) internal successors, (57), 20 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:04:03,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:04:03,048 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2024-11-10 23:04:03,048 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 82 transitions. [2024-11-10 23:04:03,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-10 23:04:03,049 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 73 states and 80 transitions. [2024-11-10 23:04:03,049 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2024-11-10 23:04:03,049 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2024-11-10 23:04:03,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 73 states and 80 transitions. [2024-11-10 23:04:03,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:04:03,049 INFO L218 hiAutomatonCegarLoop]: Abstraction has 73 states and 80 transitions. [2024-11-10 23:04:03,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states and 80 transitions. [2024-11-10 23:04:03,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2024-11-10 23:04:03,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 71 states have (on average 1.0985915492957747) internal successors, (78), 70 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:04:03,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 78 transitions. [2024-11-10 23:04:03,051 INFO L240 hiAutomatonCegarLoop]: Abstraction has 71 states and 78 transitions. [2024-11-10 23:04:03,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 23:04:03,052 INFO L425 stractBuchiCegarLoop]: Abstraction has 71 states and 78 transitions. [2024-11-10 23:04:03,052 INFO L332 stractBuchiCegarLoop]: ======== Iteration 24 ============ [2024-11-10 23:04:03,052 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 78 transitions. [2024-11-10 23:04:03,052 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-10 23:04:03,052 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:04:03,053 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:04:03,053 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 6, 6, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:04:03,053 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-10 23:04:03,053 INFO L745 eck$LassoCheckResult]: Stem: 8887#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 8888#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 8895#L33 assume true; 8893#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 8894#L33 assume true; 8938#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 8936#L33 assume true; 8934#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 8932#L33 assume true; 8930#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 8928#L33 assume true; 8926#L33-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 8925#L33 assume true; 8924#L33-1 assume !(main_~i~0#1 < 5); 8915#L35-2 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 8908#L35-1 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 8900#L37 assume true; 8901#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 8902#L37 assume true; 8940#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 8939#L37 assume true; 8937#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 8935#L37 assume true; 8933#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 8931#L37 assume true; 8929#L37-1 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 8927#L37 assume true; 8923#L37-1 assume !(main_~i~0#1 < 5); 8909#L39-2 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 8896#L39-1 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 8897#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 8898#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 8899#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 8885#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 8886#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 8953#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 8952#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 8951#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 8950#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 8920#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1; 8919#L42 assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 8883#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 8884#L45 main_~nc_B~0#1 := 0; 8913#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 8891#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 8892#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 8914#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 8949#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 8948#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 8947#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 8946#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 8945#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 8922#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1; 8921#L46 assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 8889#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 8890#L49-1 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 8907#L53 assume true; 8916#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 8944#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 8943#L53 assume true; 8941#L53-1 [2024-11-10 23:04:03,054 INFO L747 eck$LassoCheckResult]: Loop: 8941#L53-1 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 8903#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 8904#L53 assume true; 8941#L53-1 [2024-11-10 23:04:03,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:04:03,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1243700140, now seen corresponding path program 5 times [2024-11-10 23:04:03,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:04:03,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694861947] [2024-11-10 23:04:03,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:04:03,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:04:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:04:03,337 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 20 proven. 15 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-10 23:04:03,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:04:03,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694861947] [2024-11-10 23:04:03,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694861947] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 23:04:03,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129650886] [2024-11-10 23:04:03,338 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 23:04:03,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 23:04:03,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:04:03,339 INFO L229 MonitoredProcess]: Starting monitored process 219 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 23:04:03,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (219)] Waiting until timeout for monitored process [2024-11-10 23:04:03,606 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-10 23:04:03,607 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 23:04:03,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 23:04:03,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:04:03,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2024-11-10 23:04:03,899 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-10 23:04:03,899 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 23:04:03,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129650886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:04:03,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 23:04:03,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 17 [2024-11-10 23:04:03,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415151894] [2024-11-10 23:04:03,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:04:03,900 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-10 23:04:03,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:04:03,900 INFO L85 PathProgramCache]: Analyzing trace with hash 46549, now seen corresponding path program 5 times [2024-11-10 23:04:03,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:04:03,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505977018] [2024-11-10 23:04:03,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:04:03,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:04:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:04:03,906 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:04:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:04:03,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:04:03,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:04:03,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 23:04:03,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-10 23:04:03,987 INFO L87 Difference]: Start difference. First operand 71 states and 78 transitions. cyclomatic complexity: 11 Second operand has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:04:04,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:04:04,017 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2024-11-10 23:04:04,017 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 54 transitions. [2024-11-10 23:04:04,017 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 23:04:04,017 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2024-11-10 23:04:04,017 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-10 23:04:04,018 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-10 23:04:04,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-10 23:04:04,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:04:04,018 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 23:04:04,018 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 23:04:04,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 23:04:04,019 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 23:04:04,019 INFO L332 stractBuchiCegarLoop]: ======== Iteration 25 ============ [2024-11-10 23:04:04,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-10 23:04:04,019 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 23:04:04,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-10 23:04:04,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:04:04 BoogieIcfgContainer [2024-11-10 23:04:04,026 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:04:04,027 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:04:04,027 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:04:04,027 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:04:04,027 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:02:46" (3/4) ... [2024-11-10 23:04:04,030 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 23:04:04,031 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:04:04,032 INFO L158 Benchmark]: Toolchain (without parser) took 78809.55ms. Allocated memory was 148.9MB in the beginning and 406.8MB in the end (delta: 257.9MB). Free memory was 71.3MB in the beginning and 308.0MB in the end (delta: -236.7MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2024-11-10 23:04:04,032 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 148.9MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:04:04,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.49ms. Allocated memory is still 148.9MB. Free memory was 71.3MB in the beginning and 58.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 23:04:04,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.78ms. Allocated memory is still 148.9MB. Free memory was 58.3MB in the beginning and 120.7MB in the end (delta: -62.4MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-11-10 23:04:04,033 INFO L158 Benchmark]: Boogie Preprocessor took 38.39ms. Allocated memory is still 148.9MB. Free memory was 120.7MB in the beginning and 119.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:04:04,033 INFO L158 Benchmark]: IcfgBuilder took 435.98ms. Allocated memory is still 148.9MB. Free memory was 118.5MB in the beginning and 112.8MB in the end (delta: 5.7MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-11-10 23:04:04,033 INFO L158 Benchmark]: BuchiAutomizer took 77986.50ms. Allocated memory was 148.9MB in the beginning and 406.8MB in the end (delta: 257.9MB). Free memory was 112.8MB in the beginning and 308.0MB in the end (delta: -195.2MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2024-11-10 23:04:04,034 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 406.8MB. Free memory is still 308.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:04:04,035 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 148.9MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.49ms. Allocated memory is still 148.9MB. Free memory was 71.3MB in the beginning and 58.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.78ms. Allocated memory is still 148.9MB. Free memory was 58.3MB in the beginning and 120.7MB in the end (delta: -62.4MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.39ms. Allocated memory is still 148.9MB. Free memory was 120.7MB in the beginning and 119.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 435.98ms. Allocated memory is still 148.9MB. Free memory was 118.5MB in the beginning and 112.8MB in the end (delta: 5.7MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 77986.50ms. Allocated memory was 148.9MB in the beginning and 406.8MB in the end (delta: 257.9MB). Free memory was 112.8MB in the beginning and 308.0MB in the end (delta: -195.2MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 406.8MB. Free memory is still 308.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#string_A~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#string_B~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 24 terminating modules (13 trivial, 9 deterministic, 2 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function (((long long) -2 * i) + 3) and consists of 8 locations. One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function (((long long) -1 * i) + nc_A) and consists of 5 locations. One deterministic module has affine ranking function ((((long long) -2 * i) + ((long long) 2 * j)) + ((long long) 5 * nc_B)) and consists of 10 locations. One deterministic module has affine ranking function null and consists of 17 locations. One nondeterministic module has affine ranking function (((long long) 5 * nc_A) + ((long long) -6 * i)) and consists of 9 locations. One nondeterministic module has affine ranking function null and consists of 5 locations. 13 modules have a trivial ranking function, the largest among these consists of 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 77.9s and 25 iterations. TraceHistogramMax:6. Analysis of lassos took 71.5s. Construction of modules took 0.8s. Büchi inclusion checks took 5.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 22. Automata minimization 0.1s AutomataMinimizationTime, 23 MinimizatonAttempts, 139 StatesRemovedByMinimization, 18 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [9, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 915 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 912 mSDsluCounter, 1689 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1150 mSDsCounter, 186 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1261 IncrementalHoareTripleChecker+Invalid, 1447 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 186 mSolverCounterUnsat, 539 mSDtfsCounter, 1261 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc4 concLT0 SILN0 SILU9 SILI0 SILT0 lasso11 LassoPreprocessingBenchmarks: Lassos: inital327 mio100 ax100 hnf100 lsp94 ukn50 mio100 lsp28 div100 bol100 ite100 ukn100 eq170 hnf91 smp100 dnf774 smp84 tf100 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 57ms VariablesStem: 6 VariablesLoop: 4 DisjunctsStem: 8 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 44 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-10 23:04:04,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (219)] Ended with exit code 0 [2024-11-10 23:04:04,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (218)] Forceful destruction successful, exit code 0 [2024-11-10 23:04:04,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (174)] Forceful destruction successful, exit code 0 [2024-11-10 23:04:04,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (115)] Ended with exit code 0 [2024-11-10 23:04:04,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (114)] Ended with exit code 0 [2024-11-10 23:04:05,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (98)] Forceful destruction successful, exit code 0 [2024-11-10 23:04:05,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (97)] Forceful destruction successful, exit code 0 [2024-11-10 23:04:05,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Forceful destruction successful, exit code 0 [2024-11-10 23:04:05,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-10 23:04:05,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-10 23:04:06,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-10 23:04:06,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE